Số nguyên tố. Hợp số. Bảng số nguyên tố. Phân tích một số ra thừa số nguyên tố-level2

Home Lớp 6 Toán lớp 6 - Sách kết nối tri thức Số nguyên tố. Hợp số. Bảng số nguyên tố. Phân tích một số ra thừa số nguyên tốBài tập trung bình

{"common":{"save":0,"post_id":"741","level":2,"total":20,"point":5,"point_extra":0},"segment":[{"id":"631","post_id":"741","mon_id":"0","chapter_id":"0","question":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","options":{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank_random","correct":[[["17"],["19"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='img\/10.jpg' \/><\/center> <br\/> H\u00e3y vi\u1ebft s\u1ed1 sau d\u01b0\u1edbi d\u1ea1ng t\u1ed5ng c\u1ee7a hai s\u1ed1 nguy\u00ean t\u1ed1 li\u00ean ti\u1ebfp. <br\/> 36 = _input_ + _input_","hint":"","explain":" B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: 36 = 31 + 5 = 17 + 19 = 29 + 7 = 23 + 13 <br\/> Trong c\u00e1c t\u1ed5ng tr\u00ean th\u00ec ch\u1ec9 c\u00f3 17; 19 l\u00e0 hai s\u1ed1 nguy\u00ean t\u1ed1 li\u00ean ti\u1ebfp <br\/> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 17; 19 <\/span>"}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:44"},{"id":"632","post_id":"741","mon_id":"0","chapter_id":"0","question":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","options":{"time":24,"part":[{"title":"\u0110i\u1ec1n s\u1ed1 th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank_random","correct":[[["41"],["43"]]],"list":[{"point":5,"width":60,"content":"","type_input":"","ques":"<center><img src='img\/10.jpg' \/><\/center> <br\/> H\u00e3y vi\u1ebft s\u1ed1 sau d\u01b0\u1edbi d\u1ea1ng t\u1ed5ng c\u1ee7a hai s\u1ed1 nguy\u00ean t\u1ed1 li\u00ean ti\u1ebfp. <br\/> 84 = _input_ + _input_","hint":"","explain":" B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: 84 = 41 + 43 = 83 + 1 = 73 + 11 = 71 + 13 = ... <br\/> Trong c\u00e1c t\u1ed5ng tr\u00ean th\u00ec ch\u1ec9 c\u00f3 41; 43 l\u00e0 hai s\u1ed1 nguy\u00ean t\u1ed1 li\u00ean ti\u1ebfp <br\/> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 41; 43 <\/span>"}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:44"},{"id":"633","post_id":"741","mon_id":"0","chapter_id":"0","question":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","options":{"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":" <center><img src='img\/2.jpg' \/><\/center> <br\/> S\u1ed1 687 l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1 \u0110\u00daNG <\/b> hay SAI <\/b>?","select":["A. \u0110\u00daNG ","B. SAI "],"hint":"D\u1ef1a v\u00e0o kh\u00e1i ni\u1ec7m s\u1ed1 nguy\u00ean t\u1ed1, h\u1ee3p s\u1ed1","explain":"B\u00e0i gi\u1ea3i:<\/span> <br\/> Ta c\u00f3: S\u1ed1 687 $\\vdots$ 3 $\\Rightarrow$ 687 c\u00f3 nhi\u1ec1u h\u01a1n 2 \u01b0\u1edbc <br\/> $\\Rightarrow$ S\u1ed1 687 l\u00e0 h\u1ee3p s\u1ed1 <br\/> N\u00ean kh\u1eb3ng \u0111\u1ecbnh tr\u00ean l\u00e0 SAI <\/b> ","column":2}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:44"}]}