{"common":{"save":0,"post_id":"772","level":2,"total":20,"point":5,"point_extra":0},"segment":[{"id":"1111","post_id":"772","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","correct":[[["-2688","- 2688"," -2688"," - 2688 "," - 2688 "]]],"list":[{"point":5,"width":60,"type_input":"","ques":"<center><img src='img\/2.jpg' \/><\/center>-5813 - (-3125) = _input_","hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Mu\u1ed1n tr\u1eeb s\u1ed1 nguy\u00ean a cho s\u1ed1 nguy\u00ean b, ta c\u1ed9ng a v\u1edbi s\u1ed1 \u0111\u1ed1i c\u1ee7a b<br\/><b>a - b = a + (-b)<\/b><\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>$\\begin{align*}-5813 - (-3125)&= -5813 + 3125\\\\&= -(5813 - 3125)\\\\&= -2688\\end{align*}$<br\/>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u00e0: <span class='basic_pink'> -2688<\/span><\/span> <br\/> "}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:49"},{"id":"1112","post_id":"772","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","correct":[[["2215"," 2215","+2215","+ 2215"," 2215 "]]],"list":[{"point":5,"width":60,"type_input":"","ques":"<center><img src='img\/2.jpg' \/><\/center>-1427 - (-3642) = _input_","hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Mu\u1ed1n tr\u1eeb s\u1ed1 nguy\u00ean a cho s\u1ed1 nguy\u00ean b, ta c\u1ed9ng a v\u1edbi s\u1ed1 \u0111\u1ed1i c\u1ee7a b<br\/><b>a - b = a + (-b)<\/b><\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>$\\begin{align*}-1427 - (-3642)&= -1427 + 3642\\\\&= 3642 - 1427\\\\&= 2215\\end{align*}$<br\/>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u00e0: <span class='basic_pink'> 2215<\/span><\/span> <br\/> "}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:49"},{"id":"1113","post_id":"772","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","correct":[[["-11221"," -11221","- 11221","- 11221 "," -11221 "]]],"list":[{"point":5,"width":60,"type_input":"","ques":"<center><img src='img\/2.jpg' \/><\/center>721 - 11942 = _input_","hint":"","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> Mu\u1ed1n tr\u1eeb s\u1ed1 nguy\u00ean a cho s\u1ed1 nguy\u00ean b, ta c\u1ed9ng a v\u1edbi s\u1ed1 \u0111\u1ed1i c\u1ee7a b<br\/><b>a - b = a + (-b)<\/b><\/span> <br\/><br\/><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>$\\begin{align*}721 - 11942&= 721 + (-11942)\\\\&= -(11942 - 721)\\\\&= -11221\\end{align*}$<br\/>V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng l\u00e0: <span class='basic_pink'> -11221<\/span><\/span> <br\/> "}]}]},"correct":"","level":"2","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:49"}]}