{"common":{"save":0,"post_id":"5171","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"11530","post_id":"5171","mon_id":"1158186","chapter_id":"1158327","question":"<p><span style=\"color:#2980b9;\">N\u1ebfu khách hàng l\u1edbn h\u01a1n 15 tu\u1ed5i thì thông báo “B\u1ea1n \u0111\u01b0\u1ee3c gi\u1ea3m 10% giá vé". Ng\u01b0\u1ee3c l\u1ea1i, thì thông báo “B\u1ea1n không \u0111\u01b0\u1ee3c gi\u1ea3m giá vé”.<\/span> Hãy xác \u0111\u1ecbnh \u0111\u1ea7u vào, \u0111\u1ea7u ra cho thu\u1eadt toán trên?<\/p>","options":["<strong>A.<\/strong> \u0110\u1ea7u vào: S\u1ed1 tu\u1ed5i; \u0110\u1ea7u ra: Thông báo khách hàng có \u0111\u01b0\u1ee3c gi\u1ea3m giá vé hay không.","<strong>B.<\/strong> \u0110\u1ea7u vào: H\u1ecfi s\u1ed1 tu\u1ed5i; \u0110\u1ea7u ra: S\u1ed1 tu\u1ed5i.","<strong>C.<\/strong> \u0110\u1ea7u vào: Tu\u1ed5i <15; \u0110\u1ea7u ra: Thông báo khách hàng có \u0111\u01b0\u1ee3c gi\u1ea3m giá vé hay không.","<strong>D. <\/strong>\u0110\u1ea7u vào: Tu\u1ed5i >15; \u0110\u1ea7u ra: Thông báo khách hàng có \u0111\u01b0\u1ee3c gi\u1ea3m giá vé hay không."],"correct":"1","level":"3","hint":"","answer":"<p>\u0110áp án \u0111úng là:<span style=\"color:#27ae60;\"> <\/span><strong><span style=\"color:#27ae60;\">A. <\/span><\/strong><span style=\"color:#27ae60;\">\u0110\u1ea7u vào: S\u1ed1 tu\u1ed5i; \u0110\u1ea7u ra: Thông báo khách hàng có \u0111\u01b0\u1ee3c gi\u1ea3m giá vé hay không.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"136","test":"0","date":"2021-11-19 16:44:03","option_type":"txt","len":3},{"id":"11531","post_id":"5171","mon_id":"1158186","chapter_id":"1158327","question":"<p>Cho s\u01a1 \u0111\u1ed3 kh\u1ed1i sau. Hãy xác \u0111\u1ecbnh \u0111\u1ea7u vào, \u0111\u1ea7u ra c\u1ee7a thu\u1eadt toán?<\/p><p>S\u01a1 \u0111\u1ed3 kh\u1ed1i gi\u1ea3i ph\u01b0\u01a1ng trình <strong>ax + b = 0<\/strong><\/p><p><img style=\"max-height: 475px;max-width: 450px;\" src=\"\/file\/luyenthi123\/lop6\/tinhoc\/tinhoc1.png\" \/><\/p>","options":["<strong>A.<\/strong> \u0110\u1ea7u vào: Hai s\u1ed1 t\u1ef1 nhiên a, b; \u0110\u1ea7u ra: \u01afCLN c\u1ee7a hai s\u1ed1 a, b","<strong>B.<\/strong> \u0110\u1ea7u vào: Hai s\u1ed1 t\u1ef1 nhiên a, b; \u0110\u1ea7u ra: nghi\u1ec7m x c\u1ee7a ph\u01b0\u01a1ng trình.","<strong>C.<\/strong> \u0110\u1ea7u vào: Hai s\u1ed1 t\u1ef1 nhiên a, b; \u0110\u1ea7u ra: BCNN c\u1ee7a hai s\u1ed1 a, b","<strong>D. <\/strong>\u0110\u1ea7u vào: Hai s\u1ed1 t\u1ef1 nhiên a, b; \u0110\u1ea7u ra: tích c\u1ee7a hai s\u1ed1 a, b."],"correct":"2","level":"3","hint":"<p>Tìm x cho bi\u1ec3u th\u1ee9c ax+b=0 còn \u0111\u01b0\u1ee3c g\u1ecdi là ph\u01b0\u01a1ng trình b\u1eadc nh\u1ea5t.<\/p>","answer":"<p>\u0110áp án \u0111úng là: <strong><span style=\"color:#27ae60;\">B. <\/span><\/strong><span style=\"color:#27ae60;\">\u0110\u1ea7u vào: hai s\u1ed1 t\u1ef1 nhiên a, b; \u0110\u1ea7u ra: nghi\u1ec7m x c\u1ee7a ph\u01b0\u01a1ng trình.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"136","test":"0","date":"2021-11-19 16:52:57","option_type":"txt","len":3},{"id":"11532","post_id":"5171","mon_id":"1158186","chapter_id":"1158327","question":"<p>Cho s\u01a1 \u0111\u1ed3 kh\u1ed1i sau. Ph\u01b0\u01a1ng tr\u00ecnh 4x + 3 = 0 theo s\u01a1 \u0111\u1ed3 kh\u1ed1i thu\u1eadt toán câu l\u1ec7nh nào \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n?<\/p><p><img style=\"max-height: 475px;max-width: 450px;\" src=\"\/file\/luyenthi123\/lop6\/tinhoc\/tinhoc1.png\" \/><\/p>","options":["<strong>A.<\/strong> Ph\u01b0\u01a1ng trình có vô s\u1ed1 nghi\u1ec7m","<strong>B.<\/strong> Ph\u01b0\u01a1ng trình vô nghi\u1ec7m","<strong>C.<\/strong> Ph\u01b0\u01a1ng trình có nghi\u1ec7m x = -b\/a"],"correct":"3","level":"3","hint":"<p>Tìm x, cho bi\u1ec3u th\u1ee9c ax + b = 0 g\u1ecdi là gi\u1ea3i ph\u01b0\u01a1ng trình b\u1eadc nh\u1ea5t.<\/p>","answer":"<p>Nh\u1eadp a = 4, b = 3.<\/p><p>Ki\u1ec3m tra 4 = 0 là<span style=\"color:#e74c3c;\"> sai<\/span> d\u1eabn \u0111\u1ebfn x = -3\/4.<\/p><p>\u0110áp án c\u1ea7n ch\u1ecdn là:<strong><span style=\"color:#27ae60;\"> <\/span><span style=\"color:#16a085;\">C. <\/span><\/strong><span style=\"color:#16a085;\">Ph\u01b0\u01a1ng trình có nghi\u1ec7m x = -b\/a<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"136","test":"0","date":"2021-11-19 16:59:17","option_type":"txt","len":3}]}