{"segment":[{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Bi\u00ea\u0309u hi\u00ea\u0323n cu\u0309a m\u0103\u0301t la\u0303o la\u0300 ","select":["A. chi\u0309 nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n m\u0103\u0301t, kh\u00f4ng nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 xa m\u0103\u0301t.","B. chi\u0309 nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 xa m\u0103\u0301t, kh\u00f4ng nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n m\u0103\u0301t. ","C. nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t trong khoa\u0309ng t\u01b0\u0300 \u0111i\u00ea\u0309m c\u01b0\u0323c c\u00e2\u0323n \u0111\u00ea\u0301n \u0111i\u00ea\u0309m c\u01b0\u0323c vi\u00ea\u0303n.","D. kh\u00f4ng nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 xa m\u0103\u0301t."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":3551},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Ki\u0301nh c\u00e2\u0323n thi\u0301ch h\u01a1\u0323p la\u0300 ki\u0301nh ph\u00e2n ky\u0300 co\u0301 ti\u00eau \u0111i\u00ea\u0309m F ","select":["A. tru\u0300ng v\u01a1\u0301i \u0111i\u00ea\u0309m c\u01b0\u0323c c\u00e2\u0323n cu\u0309a m\u0103\u0301t.","B. tru\u0300ng v\u01a1\u0301i \u0111i\u00ea\u0309m c\u01b0\u0323c vi\u00ea\u0303n cu\u0309a m\u0103\u0301t.","C. n\u1eb1m gi\u01b0\u0303a \u0111i\u00ea\u0309m c\u01b0\u0323c c\u00e2\u0323n va\u0300 \u0111i\u00ea\u0309m c\u01b0\u0323c vi\u00ea\u0303n cu\u0309a m\u0103\u0301t.","D. n\u1eb1m gi\u01b0\u0303a \u0111i\u00ea\u0309m c\u01b0\u0323c c\u00e2\u0323n va\u0300 th\u00ea\u0309 thu\u0309y tinh cu\u0309a m\u0103\u0301t."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":3552},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"\u0110\u1ec3 kh\u0103\u0301c phu\u0323c t\u1eadt c\u1eadn th\u1ecb, ta c\u1ea7n \u0111eo loa\u0323i ki\u0301nh co\u0301 ti\u0301nh ch\u00e2\u0301t nh\u01b0 ","select":["A. k\u00ednh ph\u00e2n k\u00ec.","B. k\u00ednh h\u1ed9i t\u1ee5.","C. k\u00ednh l\u00e3o.","D. k\u00ednh r\u00e2m (ki\u0301nh ma\u0301t)."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3553},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"\u0110\u1ec3 kh\u0103\u0301c phu\u0323c t\u00e2\u0323t m\u1eaft l\u00e3o, ta c\u1ea7n \u0111eo loa\u0323i ki\u0301nh co\u0301 ti\u0301nh ch\u00e2\u0301t nh\u01b0 ","select":["A. k\u00ednh ph\u00e2n k\u00ec.","B. k\u00ednh h\u1ed9i t\u1ee5.","C. ki\u0301nh ma\u0301t.","D. k\u00ednh r\u00e2m."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":3554},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Ta\u0301c du\u0323ng cu\u0309a ki\u0301nh c\u00e2\u0323n la\u0300 \u0111\u00ea\u0309 ","select":["A. nhi\u0300n ro\u0303 v\u00e2\u0323t \u01a1\u0309 xa m\u0103\u0301t.","B. nhi\u0300n ro\u0303 v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n m\u0103\u0301t.","C. thay \u0111\u00f4\u0309i vo\u0303ng ma\u0323c cu\u0309a m\u0103\u0301t.","D. thay \u0111\u00f4\u0309i th\u00ea\u0309 thu\u0309y tinh cu\u0309a m\u0103\u0301t."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3555},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Ta\u0301c du\u0323ng cu\u0309a ki\u0301nh la\u0303o la\u0300 \u0111\u00ea\u0309 ","select":["A. nhi\u0300n ro\u0303 v\u00e2\u0323t \u01a1\u0309 xa m\u0103\u0301t.","B. nhi\u0300n ro\u0303 v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n m\u0103\u0301t.","C. thay \u0111\u00f4\u0309i vo\u0303ng ma\u0323c cu\u0309a m\u0103\u0301t.","D. thay \u0111\u00f4\u0309i th\u00ea\u0309 thu\u0309y tinh cu\u0309a m\u0103\u0301t."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":3556},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Cho\u0323n c\u00e2u pha\u0301t bi\u00ea\u0309u \u0111u\u0301ng: ","select":["A. M\u0103\u0301t c\u00e2\u0323n nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n ma\u0300 kh\u00f4ng nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 xa.","B. M\u0103\u0301t c\u00e2\u0323n nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 xa ma\u0300 kh\u00f4ng nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n.","C. M\u0103\u0301t t\u00f4\u0301t nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n ma\u0300 kh\u00f4ng nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 xa.","D. M\u0103\u0301t t\u00f4\u0301t nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 xa ma\u0300 kh\u00f4ng nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":3557},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Cho\u0323n c\u00e2u pha\u0301t bi\u00ea\u0309u \u0111u\u0301ng ","select":["A. M\u0103\u0301t la\u0303o nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n ma\u0300 kh\u00f4ng nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 xa.","B. M\u0103\u0301t la\u0303o nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 xa ma\u0300 kh\u00f4ng nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n.","C. M\u0103\u0301t t\u00f4\u0301t nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n ma\u0300 kh\u00f4ng nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 xa.","D. M\u0103\u0301t t\u00f4\u0301t nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 xa ma\u0300 kh\u00f4ng nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":3558},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"M\u0103\u0301t c\u00e2\u0323n c\u00e2\u0300n \u0111eo loa\u0323i ki\u0301nh ","select":["A. ph\u00e2n ky\u0300 \u0111\u00ea\u0309 nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 xa.","B. h\u00f4\u0323i tu\u0323 \u0111\u00ea\u0309 nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 xa.","C. ph\u00e2n ky\u0300 \u0111\u00ea\u0309 nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n.","D. h\u00f4\u0323i tu\u0323 \u0111\u00ea\u0309 nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3559},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" M\u0103\u0301t c\u00e2\u0323n co\u0301 \u0111i\u00ea\u0309m c\u01b0\u0323c vi\u00ea\u0303n ","select":["A. \u01a1\u0309 r\u00e2\u0301t xa m\u1eaft.","B. xa m\u1eaft h\u01a1n \u0111i\u00ea\u0309m c\u01b0\u0323c vi\u00ea\u0303n cu\u0309a m\u0103\u0301t bi\u0300nh th\u01b0\u01a1\u0300ng.","C. g\u00e2\u0300n m\u1eaft h\u01a1n \u0111i\u00ea\u0309m c\u01b0\u0323c vi\u00ea\u0303n cu\u0309a m\u0103\u0301t bi\u0300nh th\u01b0\u01a1\u0300ng.","D. xa m\u1eaft h\u01a1n \u0111i\u00ea\u0309m c\u01b0\u0323c vi\u00ea\u0303n cu\u0309a m\u0103\u0301t la\u0303o."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":3560},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Ta\u0301c du\u0323ng cu\u0309a ki\u0301nh c\u00e2\u0323n la\u0300 \u0111\u00ea\u0309 ","select":["A. ta\u0323o a\u0309nh a\u0309o n\u0103\u0300m ngoa\u0300i khoa\u0309ng c\u1ef1c vi\u1ec5n cu\u0309a m\u0103\u0301t.","B. ta\u0323o a\u0309nh a\u0309o n\u0103\u0300m trong khoa\u0309ng c\u1ef1c vi\u1ec5n cu\u0309a m\u0103\u0301t.","C. ta\u0323o a\u0309nh th\u00e2\u0323t n\u0103\u0300m ngoa\u0300i khoa\u0309ng c\u1ef1c vi\u1ec5n cu\u0309a m\u0103\u0301t.","D. ta\u0323o a\u0309nh th\u00e2\u0323t n\u0103\u0300m trong khoa\u0309ng c\u1ef1c vi\u1ec5n cu\u0309a m\u0103\u0301t."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":3561},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Ta\u0301c du\u0323ng cu\u0309a ki\u0301nh la\u0303o la\u0300 \u0111\u00ea\u0309 ","select":["A. ta\u0323o a\u0309nh a\u0309o n\u0103\u0300m ngoa\u0300i khoa\u0309ng c\u1ef1c c\u1eadn cu\u0309a m\u0103\u0301t.","B. ta\u0323o a\u0309nh a\u0309o n\u0103\u0300m trong khoa\u0309ng c\u1ef1c c\u1eadn cu\u0309a m\u0103\u0301t.","C. ta\u0323o a\u0309nh th\u00e2\u0323t n\u0103\u0300m ngoa\u0300i khoa\u0309ng c\u1ef1c c\u1eadn cu\u0309a m\u0103\u0301t.","D. ta\u0323o a\u0309nh th\u00e2\u0323t n\u0103\u0300m trong khoa\u0309ng c\u1ef1c c\u1eadn cu\u0309a m\u0103\u0301t."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":3562},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"M\u1eaft c\u1ee7a m\u1ed9t ng\u01b0\u1eddi ch\u1ec9 nh\u00ecn r\u00f5 \u0111\u01b0\u1ee3c c\u00e1c v\u1eadt c\u00e1ch m\u1eaft t\u1eeb 10cm \u0111\u1ebfn 100cm. M\u1eaft n\u00e0y c\u00f3 t\u1eadt g\u00ec v\u00e0 ph\u1ea3i \u0111eo k\u00ednh n\u00e0o ? ","select":["A. M\u1eaft c\u1eadn, \u0111eo k\u00ednh h\u1ed9i t\u1ee5.","B. M\u1eaft l\u00e3o, \u0111eo k\u00ednh ph\u00e2n k\u00ec.","C. M\u1eaft l\u00e3o, \u0111eo k\u00ednh h\u1ed9i t\u1ee5.","D. M\u1eaft c\u1eadn, \u0111eo k\u00ednh ph\u00e2n k\u00ec."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":3563},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"M\u0103\u0301t cu\u0309a m\u00f4\u0323t ng\u01b0\u01a1\u0300i co\u0301 khoa\u0309ng c\u01b0\u0323c vi\u00ea\u0303n la\u0300 50cm. Th\u00e2\u0301u ki\u0301nh mang s\u00e1t m\u1eaft s\u01b0\u0309 du\u0323ng phu\u0300 h\u01a1\u0323p la\u0300 th\u00e2\u0301u ki\u0301nh ","select":["A. h\u00f4\u0323i tu\u0323 co\u0301 ti\u00eau c\u01b0\u0323 50cm.","B. h\u00f4\u0323i tu\u0323 co\u0301 ti\u00eau c\u01b0\u0323 25cm.","C. ph\u00e2n ky\u0300 co\u0301 ti\u00eau c\u01b0\u0323 50cm.","D. ph\u00e2n ky\u0300 co\u0301 ti\u00eau c\u01b0\u0323 25cm."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3564},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"Bi\u00ea\u0309u hi\u00ea\u0323n cu\u0309a m\u0103\u0301t c\u00e2\u0323n la\u0300 ","select":["A. chi\u0309 nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n m\u0103\u0301t, kh\u00f4ng nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 xa m\u0103\u0301t.","B. chi\u0309 nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 xa m\u0103\u0301t, kh\u00f4ng nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n m\u0103\u0301t.","C. nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t trong khoa\u0309ng t\u01b0\u0300 \u0111i\u00ea\u0309m c\u01b0\u0323c c\u00e2\u0323n \u0111\u00ea\u0301n \u0111i\u00ea\u0309m c\u01b0\u0323c vi\u00ea\u0303n.","D. kh\u00f4ng nhi\u0300n ro\u0303 ca\u0301c v\u00e2\u0323t \u01a1\u0309 g\u00e2\u0300n m\u0103\u0301t."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":3565},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Bi\u1ebft ti\u00eau c\u1ef1 c\u1ee7a k\u00ednh c\u1eadn b\u1eb1ng kh\u1ecfang c\u00e1ch t\u1eeb m\u1eaft \u0111\u1ebfn \u0111i\u1ec3m c\u1ef1c vi\u1ec5n c\u1ee7a m\u1eaft. Th\u1ea5u k\u00ednh n\u00e0o trong s\u1ed1 b\u1ed1n th\u1ea5u k\u00ednh d\u01b0\u1edbi \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0m k\u00ednh c\u1eadn ? ","select":["A. Th\u1ea5u k\u00ednh h\u1ed9i t\u1ee5 c\u00f3 ti\u00eau c\u1ef1 5 cm.","B. Th\u1ea5u k\u00ednh ph\u00e2n k\u00ec c\u00f3 ti\u00eau c\u1ef1 5 cm.","C. Th\u1ea5u k\u00ednh h\u1ed9i t\u1ee5 c\u00f3 ti\u00eau c\u1ef1 40 cm.","D. Th\u1ea5u k\u00ednh ph\u00e2n k\u00ec c\u00f3 ti\u00eau c\u1ef1 40 cm."],"hint":"","explain":"<span class='basic_left'>V\u00ec k\u00ednh c\u1eadn l\u00e0 th\u1ea5u k\u00ednh ph\u00e2n k\u1ef3, v\u00e0 kh\u1ecfang c\u00e1ch t\u1eeb m\u1eaft \u0111\u1ebfn \u0111i\u1ec3m c\u1ef1c vi\u1ec5n c\u1ee7a m\u1eaft kh\u00f4ng th\u1ec3 b\u1eb1ng 5cm. N\u00ean ta ch\u1ecdn th\u1ea5u k\u00ednh ph\u00e2n k\u00ec c\u00f3 ti\u00eau c\u1ef1 40 cm.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":3566},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"M\u1ed9t ng\u01b0\u1eddi c\u00f3 kh\u1ea3 n\u0103ng nh\u00ecn r\u00f5 c\u00e1c v\u1eadt n\u1eb1m tr\u01b0\u1edbc m\u1eaft t\u1eeb 50cm tr\u1edf ra. H\u1ecfi m\u1eaft ng\u01b0\u1eddi \u1ea5y c\u00f3 m\u1eafc t\u1eadt g\u00ec kh\u00f4ng? ","select":["A. Kh\u00f4ng m\u1eaft t\u1eadt g\u00ec.","B. M\u1eaft t\u1eadt c\u1eadn th\u1ecb","C. M\u1eaft t\u1eadt vi\u1ec5n th\u1ecb.","D. C\u1ea3 ba c\u00e2u A, B, C \u0111\u1ec1u sai."],"hint":"","explain":"<span class='basic_left'>M\u1eaft ng\u01b0\u1eddi n\u00e0y kh\u00f4ng nh\u00ecn g\u1ea7n \u0111\u01b0\u1ee3c, nh\u01b0ng l\u1ea1i nh\u00ecn xa \u0111\u01b0\u1ee3c M\u1eaft ng\u01b0\u1eddi n\u00e0y l\u00e0 m\u1eaft t\u1eadt vi\u1ec5n th\u1ecb.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3567},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"M\u1ed9t ng\u01b0\u1eddi c\u00f3 kh\u1ea3 n\u0103ng nh\u00ecn r\u00f5 c\u00e1c v\u1eadt n\u1eb1m tr\u01b0\u1edbc m\u1eaft t\u1eeb 15cm tr\u1edf ra \u0111\u1ebfn 40cm. H\u1ecfi m\u1eaft ng\u01b0\u1eddi \u1ea5y c\u00f3 m\u1eafc t\u1eadt g\u00ec kh\u00f4ng? ","select":["A. Kh\u00f4ng m\u1eaft t\u1eadt g\u00ec.","B. M\u1eaft t\u1eadt c\u1eadn th\u1ecb.","C. M\u1eaft t\u1eadt vi\u1ec5n th\u1ecb.","D. C\u1ea3 ba c\u00e2u A, B, C \u0111\u1ec1u sai."],"hint":"","explain":"<span class='basic_left'>M\u1ed9t ng\u01b0\u1eddi c\u00f3 kh\u1ea3 n\u0103ng nh\u00ecn r\u00f5 c\u00e1c v\u1eadt n\u1eb1m tr\u01b0\u1edbc m\u1eaft t\u1eeb 15cm tr\u1edf ra \u0111\u1ebfn 40cm <br\/>N\u00ean ng\u01b0\u1eddi n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng nh\u00ecn r\u00f5 c\u00e1c v\u1eadt \u1edf g\u1ea7n m\u00e0 kh\u00f4ng nh\u00ecn r\u00f5 c\u00e1c v\u1eadt \u1edf xa <br\/> M\u1eaft t\u1eadt c\u1eadn th\u1ecb. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":3568},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"M\u1ed9t ng\u01b0\u1eddi khi nh\u00ecn c\u00e1c v\u1eadt \u1edf xa th\u00ec kh\u00f4ng c\u1ea7n \u0111eo k\u00ednh. Khi \u0111\u1ecdc s\u00e1ch th\u00ec ph\u1ea3i \u0111eo k\u00ednh h\u1ed9i t\u1ee5. H\u1ecfi m\u1eaft ng\u01b0\u1eddi \u1ea5y c\u00f3 m\u1eafc t\u1eadt g\u00ec kh\u00f4ng? ","select":["A. Kh\u00f4ng m\u1eaft t\u1eadt g\u00ec.","B. M\u1eaft t\u1eadt c\u1eadn th\u1ecb.","C. M\u1eaft t\u1eadt vi\u1ec5n th\u1ecb.","D. C\u1ea3 ba c\u00e2u A, B, C \u0111\u1ec1u sai."],"hint":"","explain":"<span class='basic_left'>M\u1eaft ng\u01b0\u1eddi n\u00e0y kh\u00f4ng nh\u00ecn g\u1ea7n \u0111\u01b0\u1ee3c, nh\u01b0ng l\u1ea1i nh\u00ecn xa \u0111\u01b0\u1ee3c<br\/>M\u1eaft ng\u01b0\u1eddi n\u00e0y l\u00e0 m\u1eaft t\u1eadt vi\u1ec5n th\u1ecb.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3569},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" M\u1ed9t ng\u01b0\u1eddi c\u00f3 kh\u1ea3 n\u0103ng nh\u00ecn r\u00f5 c\u00e1c v\u1eadt n\u1eb1m tr\u01b0\u1edbc m\u1eaft t\u1eeb 25cm tr\u1edf ra. H\u1ecfi m\u1eaft ng\u01b0\u1eddi \u1ea5y c\u00f3 m\u1eafc t\u1eadt g\u00ec kh\u00f4ng? ","select":["A. Kh\u00f4ng m\u1eaft t\u1eadt g\u00ec.","B. M\u1eaft t\u1eadt c\u1eadn th\u1ecb.","C. M\u1eaft t\u1eadt vi\u1ec5n th\u1ecb.","D. C\u1ea3 ba c\u00e2u A, B, C \u0111\u1ec1u sai."],"hint":"","explain":"<span class='basic_left'> m\u1eaft ng\u01b0\u1eddi b\u00ecnh th\u01b0\u1eddng c\u00f3 th\u1ec3 nh\u00ecn r\u00f5 c\u00e1c v\u1eadt \u1edf g\u1ea7n v\u00e0 c\u00e1c v\u1eadt \u1edf xa v\u00f4 c\u00f9ng <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3570}],"lesson":{"save":0,"level":2}}