{"common":{"save":0,"post_id":"726","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"391","post_id":"726","mon_id":"0","chapter_id":"0","question":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","options":{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["300"]]],"list":[{"point":10,"width":50,"content":"","type_input":"","ques":"T\u00ednh. <br\/> <center><img src='img\/11.jpg' \/><\/center> <br\/> $181 + 87 : 29 - 7 . 12 + 2^3 . 5^2$ = _input_","hint":"T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c theo th\u1ee9 t\u1ef1 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> TH\u1ee8 T\u1ef0 TH\u1ef0C HI\u1ec6N C\u00c1C PH\u00c9P T\u00cdNH: <\/b> <br\/> 1. Th\u1ee9 t\u1ef1 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh \u0111\u1ed1i v\u1edbi bi\u1ec3u th\u1ee9c kh\u00f4ng c\u00f3 d\u1ea5u ngo\u1eb7c: <br\/> L\u0169y th\u1eeba -> Nh\u00e2n v\u00e0 chia -> C\u1ed9ng v\u00e0 tr\u1eeb <br\/> 2. Th\u1ee9 t\u1ef1 th\u1ef1a hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh \u0111\u1ed1i v\u1edbi bi\u1ec3u th\u1ee9c c\u00f3 d\u1ea5u ngo\u1eb7c: <br\/> () -> [] -> {} <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: <br\/> $\\begin{align*} & 181 + 87 : 29 - 7 . 12 + 2^3 . 5^2 \\\\ =& 181 + 87 : 29 - 7 . 12 + 8 . 25 \\\\ =& 181 + 3 - 84 + 200 \\\\ =& 184 - 84 + 200 \\\\ =& 100 + 200 \\\\ =& 300 \\end{align*}$ <br\/> <span class='basic_pink'> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 300 <\/span>"}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:41"},{"id":"392","post_id":"726","mon_id":"0","chapter_id":"0","question":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","options":{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["93"]]],"list":[{"point":10,"width":80,"content":"","type_input":"","ques":"T\u00ednh. <br\/> <center><img src='img\/11.jpg' \/><\/center> <br\/> $3. \\left\\{ 15 + 2 . [10 - (3^2 . 2 - 4^2)] \\right\\} $ = _input_ ","hint":"Ta th\u1ef1c hi\u1ec7n theo th\u1ee9 t\u1ef1: () -> [] -> {}","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> TH\u1ee8 T\u1ef0 TH\u1ef0C HI\u1ec6N C\u00c1C PH\u00c9P T\u00cdNH: <\/b> <br\/> 1. Th\u1ee9 t\u1ef1 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh \u0111\u1ed1i v\u1edbi bi\u1ec3u th\u1ee9c kh\u00f4ng c\u00f3 d\u1ea5u ngo\u1eb7c: <br\/> L\u0169y th\u1eeba -> Nh\u00e2n v\u00e0 chia -> C\u1ed9ng v\u00e0 tr\u1eeb <br\/> 2. Th\u1ee9 t\u1ef1 th\u1ef1a hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh \u0111\u1ed1i v\u1edbi bi\u1ec3u th\u1ee9c c\u00f3 d\u1ea5u ngo\u1eb7c: <br\/> () -> [] -> {} <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: <br\/> $\\begin{align*} & 3. \\left\\{ 15 + 2 . [10 - (3^2 . 2 - 4^2)] \\right\\} \\\\ =& 3 . \\left\\{15 + 2 . [10 - (9 . 2 -16)]\\right\\} \\\\ =& 3 . \\left\\{ 15 + 2.[10 - (18 - 16)]\\right\\} \\\\ =& 3.\\left\\{ 15 + 2.[10 - 2]\\right\\} \\\\ =& 3 . \\left\\{ 15 + 2.8\\right\\} \\\\ =& 3 . \\left\\{ 15 + 16 \\right\\} \\\\ =& 3 . 31 \\\\ =& 93 \\end{align*}$ <br\/> <span class='basic_pink'> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 93 <\/span>"}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:41"},{"id":"393","post_id":"726","mon_id":"0","chapter_id":"0","question":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","options":{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["75"]]],"list":[{"point":10,"width":50,"content":"","type_input":"","ques":"T\u00ecm x bi\u1ebft: $293 - 2^3.3^3 + x : 25 = 80$ <br\/> V\u1eady x = _input_ ","hint":"T\u00ednh l\u0169y th\u1eeba tr\u01b0\u1edbc r\u1ed3i t\u00ecm x nh\u01b0 th\u00f4ng th\u01b0\u1eddng","explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> <b> B\u01b0\u1edbc 1: <\/b> T\u00ednh c\u00e1c l\u0169y th\u1eeba tr\u01b0\u1edbc <br\/> <b> B\u01b0\u1edbc 2: <\/b> Coi x : 25 l\u00e0 s\u1ed1 h\u1ea1ng ch\u01b0a bi\u1ebft <br\/> Mu\u1ed1n t\u00ecm s\u1ed1 h\u1ea1ng ch\u01b0a bi\u1ebft ta l\u1ea5y t\u1ed5ng tr\u1eeb \u0111i s\u1ed1 h\u1ea1ng \u0111\u00e3 bi\u1ebft <br\/> <b> B\u01b0\u1edbc 3: <\/b> Bi\u1ebfn \u0111\u1ed5i v\u00e0 t\u00ecm x <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: <br\/> $\\begin{align*} 293 - 2^3.3^3 + x : 25 &= 80 \\\\ 293 - 8. 27 + x : 25 &= 80 \\\\ 293 - 216 + x : 25 &= 80 \\\\ 77 + x : 25 &= 80 \\\\ x : 25 &= 80 - 77 \\\\ x : 25 &= 3 \\\\ x&= 3 . 25 \\\\ x &= 75 \\end{align*}$ <br\/> <span class='basic_pink'> V\u1eady s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u00e0: 75 <\/span>"}]}]},"correct":"","level":"3","hint":"","answer":"","type":"json","extra_type":"","time":"0","user_id":"0","test":"0","date":"2019-09-30 09:14:41"}]}