{"common":{"save":0,"post_id":"712","level":1,"total":20,"point":5,"point_extra":0},"segment":[{"id":"151","post_id":"712","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":[[1]],"list":[{"point":5,"ques":"Cho a = 9475; b = 5832; c = 525 <br\/> T\u00ednh a + b + c = ?","select":["A. 15832 ","B. 15932 ","C. 15831 ","D. 15931 "],"hint":"T\u00ednh 9475 + 5832 + 525 = ?","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <br\/> <\/span>T\u00ednh 9475 + 5832 + 525 = ? <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/>Ta c\u00f3: $$\\begin{align*}a + b + c &= 9475 + 5832 + 525 \\\\&= (9475 + 525) + 5832 \\\\& = 10 000 + 5832 \\\\& = 15832\\end{align*}$$<span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A<\/span>","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:38"},{"id":"152","post_id":"712","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":[[3]],"list":[{"point":5,"ques":"Cho a = 3815; b = 8324; c = 5676 <br\/> T\u00ednh a + b + c = ?","select":["A. 19715 ","B. 17715 ","C. 17815 ","D. 18715 "],"hint":"T\u00ednh 3815 + 8324 + 5676 = ?","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <br\/> <\/span> T\u00ednh 3815 + 8324 + 5676 = ? <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> <br\/> <br\/>Ta c\u00f3: $$\\begin{align*}a + b + c &= 3815 + 8324 + 5676 \\\\&= 3815 + (8324 + 5676) \\\\& = 3815 + 14000 \\\\& = 17815\\end{align*}$$ <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: C<\/span>","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:38"},{"id":"153","post_id":"712","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":[[1]],"list":[{"point":5,"ques":"T\u00ednh 38.(47 + 95)","select":["A. 5396 ","B. 5496 ","C. 5369 ","D. 5395 "],"hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn: <\/span> <br\/> T\u00ednh trong ngo\u1eb7c tr\u01b0\u1edbc r\u1ed3i nh\u00e2n v\u1edbi s\u1ed1 ngo\u00e0i ngo\u1eb7c sau<br\/> <br\/><\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span> $$\\begin{align*}38. (47 + 95) &= 38 . 142 \\\\&= 5396\\end{align*}$$ <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: A<\/span>","column":2}]}]},"correct":"","level":"1","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:38"}]}