{"segment":[{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"\u0110\u01a1n v\u1ecb nh\u1ecf nh\u1ea5t \u0111\u1ec3 \u0111o th\u1ec3 t\u00edch c\u1ee7a ch\u1ea5t l\u1ecfng l\u00e0 cc. 1 cc =...","select":["A. 1ml","B. 0,001l","C. 1$c{{m}^{3}}$","D. C\u1ea3 A, B, C \u0111\u1ec1u \u0111\u00fang"],"hint":"","explain":"<span class='basic_left'>1cc = 1ml = 1$c{{m}^{3}}$.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2301},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"N\u1ebfu Nam khui m\u1ed9t lon n\u01b0\u1edbc ng\u1ecdt c\u00f3 th\u1ec3 t\u00edch kho\u1ea3ng 330ml v\u00e0 u\u1ed1ng m\u1ea5t m\u1ed9t ng\u1ee5m, \u0111\u1ec3 bi\u1ebft \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng n\u01b0\u1edbc ng\u1ecdt c\u00f2n l\u1ea1i trong lon, Nam n\u00ean d\u00f9ng b\u00ecnh chia \u0111\u1ed9 n\u00e0o sau \u0111\u00e2y l\u00e0 h\u1ee3p l\u00fd nh\u1ea5t?","select":["A. B\u00ecnh c\u00f3 gi\u1edbi h\u1ea1n \u0111o 1000 ml v\u00e0 \u0111\u1ed9 chia nh\u1ecf nh\u1ea5t l\u00e0 10 ml","B. B\u00ecnh c\u00f3 gi\u1edbi h\u1ea1n \u0111o 500 ml v\u00e0 \u0111\u1ed9 chia nh\u1ecf nh\u1ea5t l\u00e0 5 ml","C. B\u00ecnh c\u00f3 gi\u1edbi h\u1ea1n \u0111o 350 ml v\u00e0 \u0111\u1ed9 chia nh\u1ecf nh\u1ea5t l\u00e0 2 ml","D. B\u00ecnh c\u00f3 gi\u1edbi h\u1ea1n \u0111o 100 ml v\u00e0 \u0111\u1ed9 chia nh\u1ecf nh\u1ea5t l\u00e0 2 ml"],"hint":"","explain":"<span class='basic_left'>V\u00ec lon n\u01b0\u1edbc ng\u1ecdt c\u00f3 th\u1ec3 t\u00edch kho\u1ea3ng 330ml, n\u00ean d\u00f9ng b\u00ecnh c\u00f3 gi\u1edbi h\u1ea1n \u0111o g\u1ea7n v\u1edbi 330 v\u00e0 \u0111\u1ed9 chia nh\u1ecf nh\u1ea5t l\u00e0 2ml.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2302},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"C\u00e2u n\u00e0o sau \u0111\u00e2y \u0111\u00fang khi n\u00f3i v\u1ec1 quy t\u1eafc \u0111\u1eb7t b\u00ecnh chia \u0111\u1ed9:","select":["A. \u0110\u1eb7t b\u00ecnh sao cho m\u1ef1c ch\u1ea5t l\u1ecfng nghi\u00eang v\u1ec1 ph\u00eda c\u1ea1nh tr\u00ean b\u00ecnh \u0111\u1ec3 d\u1ec5 \u0111\u1ecdc k\u1ebft qu\u1ea3","B. \u0110\u1eb7t b\u00ecnh sao cho m\u1ef1c ch\u1ea5t l\u1ecfng nghi\u00eang v\u1ec1 c\u00e1c s\u1ed1 \u0111\u01b0\u1ee3c in tr\u00ean b\u00ecnh","C. \u0110\u1eb7t b\u00ecnh chia \u0111\u1ed9 th\u1eb3ng \u0111\u1ee9ng so v\u1edbi ph\u01b0\u01a1ng n\u1eb1m ngang.","D. \u0110\u1eb7t b\u00ecnh nh\u01b0 th\u1ebf n\u00e0o c\u0169ng \u0111\u01b0\u1ee3c, mi\u1ec5n sao m\u1ef1c ch\u1ea5t l\u1ecfng trong b\u00ecnh \u1ed5n \u0111\u1ecbnh"],"hint":"","explain":"<span class='basic_left'>quy t\u1eafc \u0111\u1eb7t b\u00ecnh chia \u0111\u1ed9 l\u00e0 \u0111\u1eb7t th\u1eb3ng \u0111\u1ee9ng so v\u1edbi ph\u01b0\u01a1ng n\u1eb1m ngang<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2303},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"Ha\u0303y cho\u0323n bi\u0300nh chia \u0111\u00f4\u0323 phu\u0300 h\u01a1\u0323p nh\u00e2\u0301t trong ca\u0301c bi\u0300nh chia \u0111\u00f4\u0323 d\u01b0\u01a1\u0301i \u0111\u00e2y \u0111\u00ea\u0309 \u0111o th\u00ea\u0309 ti\u0301ch cu\u0309a m\u00f4\u0323t l\u01b0\u01a1\u0323ng ch\u00e2\u0301t lo\u0309ng co\u0300n g\u00e2\u0300n \u0111\u00e2\u0300y chai 0,5 l\u00edt:","select":["A. Bi\u0300nh 1000ml co\u0301 va\u0323ch chia \u0111\u00ea\u0301n 10ml ","B. Bi\u0300nh 500ml co\u0301 va\u0323ch chia \u0111\u00ea\u0301n 2ml ","C. Bi\u0300nh 100ml co\u0301 va\u0323ch chia \u0111\u00ea\u0301n 1ml ","D. Bi\u0300nh 500ml co\u0301 va\u0323ch chia \u0111\u00ea\u0301n 5ml"],"hint":"","explain":"<span class='basic_left'>Ch\u1ecdn b\u00ecnh c\u00f3 GH\u0110 g\u1ea7n v\u00e0 l\u1edbn h\u01a1n l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng c\u1ea7n \u0111o, v\u00e0 n\u00ean c\u00f3 \u0110CNN b\u00e9 v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi \u0111\u01a1n v\u1ecb \u0111o.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2304},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p: 1 ${{m}^{3}}$ = ........l\u00edt = ........ml","select":["A. 100 l\u00edt; 10000 ml; ","B. 100 l\u00edt; 1000000 ml;","C. 1000 l\u00edt; 100000 ml; ","D. 1000 l\u00edt; 1000000 ml;"],"hint":"","explain":"<span class='basic_left'>1 ${{m}^{3}}$ = 1000 l\u00edt = 1000000 ml<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2305},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"Ng\u01b0\u1eddi ta \u0111\u00e3 \u0111o th\u1ec3 t\u00edch ch\u1ea5t l\u1ecfng b\u1eb1ng b\u00ecnh chia \u0111\u1ed9 c\u00f3 \u0110CNN 0,5$c{{m}^{3}}$. H\u00e3y ch\u1ec9 ra c\u00e1ch ghi k\u1ebft qu\u1ea3 \u0111\u00fang trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p d\u01b0\u1edbi \u0111\u00e2y:","select":["A. $V_1$ = 20,2$c{{m}^{3}}$","B. $V_2$ = 20,50$c{{m}^{3}}$","C. $V_3$ = 20,5$c{{m}^{3}}$","D. $V_4$ = 20$c{{m}^{3}}$"],"hint":"","explain":"<span class='basic_left'>B\u00ecnh chia \u0111\u1ed9 c\u00f3 \u0110CNN 0,5$c{{m}^{3}}$th\u00ec c\u00e1ch ghi k\u1ebft qu\u1ea3 \u0111\u00fang l\u00e0 $V_3$ = 20,5$c{{m}^{3}}$ <br\/> V\u00ec ghi nh\u01b0 A v\u00e0 B v\u00e0 th\u00ec b\u00ecnh ph\u1ea3i c\u00f3 \u0110CNN nh\u1ecf ho\u1eb7c l\u1edbn h\u01a1n 0,5$c{{m}^{3}}$ <br\/><span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2306},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"<span class='basic_left'>Tr\u00ean m\u1ed9t b\u00ecnh chia \u0111\u1ed9 c\u00f3 ghi $c{{m}^{3}}$. Ch\u1ec9 s\u1ed1 b\u00e9 nh\u1ea5t v\u00e0 l\u1edbn nh\u1ea5t l\u00e0 0 v\u00e0 400 ng\u01b0\u1eddi ta \u0111\u1ebfm t\u1ea5t c\u1ea3 c\u00f3 40 v\u1ea1ch chia \u0111\u1ed9. \u0110\u1ed9 chia nh\u1ecf nh\u1ea5t c\u1ee7a b\u00ecnh chia \u0111\u1ed9 n\u00f3i tr\u00ean l\u00e0:<\/span>","select":["A. 10 $c{{m}^{3}}$","B. 0,01 l\u00edt","C. 0,1 l\u00edt","D. A v\u00e0 B \u0111\u00fang"],"hint":"","explain":"<span class='basic_left'>GH\u0110 = 400 $c{{m}^{3}}$ v\u00e0 t\u1ea5t c\u1ea3 c\u00f3 40 v\u1ea1ch n\u00ean \u0110CNN = 10 $c{{m}^{3}}$ = 0.01 l\u00edt. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2307},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"M\u1ed9t ng\u01b0\u1eddi b\u00e1n d\u1ea7u ch\u1ec9 c\u00f3 m\u1ed9t c\u00e1i ca 0,5 l\u00edt v\u00e0 m\u1ed9t c\u00e1i ca 1 l\u00edt. Ng\u01b0\u1eddi \u0111\u00f3 ch\u1ec9 b\u00e1n \u0111\u01b0\u1ee3c d\u1ea7u cho kh\u00e1ch h\u00e0ng n\u00e0o sau \u0111\u00e2y? ","select":["A. Kh\u00e1ch h\u00e0ng 1 c\u1ea7n mua 1,4 l\u00edt.","B. Kh\u00e1ch h\u00e0ng 2 c\u1ea7n mua 3,5 l\u00edt.","C. Kh\u00e1ch h\u00e0ng 3 c\u1ea7n mua 2,7 l\u00edt.","D. Kh\u00e1ch h\u00e0ng 4 c\u1ea7n mua 3,2 l\u00edt."],"hint":"","explain":"<span class='basic_left'>V\u1edbi c\u00e1c kh\u00e1ch h\u00e0ng 1,3,4 th\u00ec ng\u01b0\u1eddi b\u00e1n h\u00e0ng kh\u00f4ng th\u1ec3 d\u00f9ng m\u1ed9t c\u00e1i ca 0,5 l\u00edt v\u00e0 m\u1ed9t c\u00e1i ca 1 l\u00edt \u0111\u1ec3 \u0111ong d\u1ea7u \u0111\u01b0\u1ee3c.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2308},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"<span class='basic_left'>Tr\u00ean m\u1ed9t b\u00ecnh chia \u0111\u1ed9 c\u00f3 ghi $c{{m}^{3}}$ ch\u1ee9a 60 $c{{m}^{3}}$ n\u01b0\u1edbc.<br\/>Ng\u01b0\u1eddi ta d\u00f9ng b\u00ecnh n\u00e0y \u0111\u1ec3 \u0111o th\u1ec3 t\u00edch c\u1ee7a m\u1ed9t vi\u00ean bi s\u1eaft.<br\/>Khi th\u1ea3 vi\u00ean bi v\u00e0o th\u00ec m\u1ef1c n\u01b0\u1edbc trong b\u00ecnh d\u00e2ng l\u00ean 85 $c{{m}^{3}}$<br\/>V\u1eady, th\u1ec3 t\u00edch c\u1ee7a vi\u00ean bi s\u1eaft l\u00e0:<\/span>","select":["A. 72,5 $c{{m}^{3}}$","B. 12,5 $c{{m}^{3}}$","C. 25 $c{{m}^{3}}$","D. 20 $c{{m}^{3}}$"],"hint":"","explain":"<span class='basic_left'>th\u1ec3 t\u00edch c\u1ee7a vi\u00ean bi s\u1eaft l\u00e0: 85-60=25$c{{m}^{3}}$<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2309},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"N\u01b0\u1edbc trong b\u00ecnh chia \u0111\u1ed9 \u1edf m\u1ee9c 150 $c{{m}^{3}}$. Khi b\u1ecf m\u1ed9t v\u1eadt c\u00f3 th\u1ec3 t\u00edch 50 $c{{m}^{3}}$ v\u00e0o b\u00ecnh. M\u1ef1c n\u01b0\u1edbc m\u1edbi trong b\u00ecnh b\u00e2y gi\u1edd l\u00e0:","select":["A. 100 $c{{m}^{3}}$","B. 200 $c{{m}^{3}}$","C. 175 $c{{m}^{3}}$","D. 220 $c{{m}^{3}}$"],"hint":"","explain":"<span class='basic_left'>M\u1ef1c n\u01b0\u1edbc m\u1edbi trong b\u00ecnh b\u00e2y gi\u1edd l\u00e0: 150+50=200 $c{{m}^{3}}$.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2310}],"lesson":{"save":0,"level":2}}