Chú ý: Để đảm bảo quyền lợi và bảo vệ tài khoản của mình
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{"common":{"save":0,"post_id":"6539","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5810","post_id":"6539","mon_id":"1158921","chapter_id":"1158927","question":"<p>\u0110a th\u1ee9c nào chia h\u1ebft cho \u0111\u01a1n th\u1ee9c <span class=\"math-tex\">$-x^2y$<\/span> ?<\/p>","options":["<strong>A. <span class=\"math-tex\">$9x^2y-3xy^2$<\/span><\/strong>","<strong>B. <span class=\"math-tex\">$-x^2y+6xy$<\/span><\/strong>","<strong>C. <span class=\"math-tex\">$7x^2y^2+xy$<\/span><\/strong>","<strong>D. <\/strong><span class=\"math-tex\">$8x^2yz-x^2y$<\/span>"],"correct":"4","level":"2","hint":"<p>\u0110a th\u1ee9c A chia h\u1ebft cho \u0111\u01a1n th\u1ee9c B n\u1ebfu m\u1ecdi h\u1ea1ng t\u1eed c\u1ee7a A \u0111\u1ec1u chia h\u1ebft cho B.<\/p>","answer":"<p><strong>A. <span class=\"math-tex\">$9x^2y-3xy^2$<\/span> <\/strong>có h\u1ea1ng t\u1eed <span class=\"math-tex\">$-3xy^2$<\/span> không chia h\u1ebft cho <span class=\"math-tex\">$-x^2y\\space$<\/span>.<\/p><p><strong>B. <span class=\"math-tex\">$-x^2y+6xy$<\/span> <\/strong>có h\u1ea1ng t\u1eed <span class=\"math-tex\">$6xy$<\/span> không chia h\u1ebft cho <span class=\"math-tex\">$-x^2y\\space$<\/span>.<\/p><p><strong>C. <span class=\"math-tex\">$7x^2y^2+xy$<\/span> <\/strong>có h\u1ea1ng t\u1eed <span class=\"math-tex\">$xy$<\/span> không chia h\u1ebft cho <span class=\"math-tex\">$-x^2y\\space$<\/span>.<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D. <\/strong><span class=\"math-tex\">$8x^2yz-x^2y$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-02 08:50:47","option_type":"math","len":0},{"id":"5812","post_id":"6539","mon_id":"1158921","chapter_id":"1158927","question":"<p>\u0110a th\u1ee9c <span class=\"math-tex\">$2x^3y^2+5x^2y^3z$<\/span> chia h\u1ebft cho \u0111\u01a1n th\u1ee9c nào?<\/p>","options":["<strong>A. <span class=\"math-tex\">$xyz$<\/span><\/strong>","<strong>B. <span class=\"math-tex\">$4x^2z$<\/span><\/strong>","<strong>C. <span class=\"math-tex\">$-3x^2y$<\/span><\/strong>","<strong>D. <\/strong><span class=\"math-tex\">$3y^5$<\/span>"],"correct":"3","level":"2","hint":"","answer":"<p>Trong \u0111a th\u1ee9c <span class=\"math-tex\">$2x^3y^2+5x^2y^3z$<\/span> có<\/p><p>+ h\u1ea1ng t\u1eed <span class=\"math-tex\">$2x^3y^2$<\/span> không chia h\u1ebft cho <strong>A. <span class=\"math-tex\">$xyz$<\/span><\/strong><\/p><p>+ h\u1ea1ng t\u1eed <span class=\"math-tex\">$2x^3y^2$<\/span> không chia h\u1ebft cho <strong>B. <span class=\"math-tex\">$4x^2z$<\/span><\/strong><\/p><p>+ c\u1ea3 hai h\u1ea1ng t\u1eed <span class=\"math-tex\">$2x^3y^2$<\/span> và <span class=\"math-tex\">$5x^2y^3z$<\/span> \u0111\u1ec1u không chia h\u1ebft cho <strong>D. <\/strong><span class=\"math-tex\">$3y^5$<\/span><\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C. <span class=\"math-tex\">$-3x^2y$<\/span><\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-02 08:55:17","option_type":"math","len":0},{"id":"5814","post_id":"6539","mon_id":"1158921","chapter_id":"1158927","question":"<p>Th\u1ef1c hi\u1ec7n phép chia và tìm b\u1eadc c\u1ee7a \u0111a th\u1ee9c thu \u0111\u01b0\u1ee3c:<\/p><p><span class=\"math-tex\">$(11x^4y^5-6x^3y^3+8x^2y^4z^2):(-xy^3)$<\/span><\/p>","options":["<strong>A. <\/strong> 4","<strong>B. <\/strong>5","<strong>C.<\/strong> 3","<strong>D.<\/strong> 2"],"correct":"2","level":"2","hint":"","answer":"<p><span class=\"math-tex\">$(11x^4y^5-6x^3y^3+8x^2y^4z^2):(-xy^3)$<\/span><\/p><p>= <span class=\"math-tex\">$-11x^3y^2+6x^2-8xyz^2$<\/span><\/p><p>H\u1ea1ng t\u1eed <span class=\"math-tex\">$-11x^3y^2$<\/span> có b\u1eadc cao nh\u1ea5t và có b\u1eadc 5. V\u1eady \u0111a th\u1ee9c có b\u1eadc là <span style=\"color:#16a085;\"><strong>5<\/strong><\/span>.<\/p><p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B. <\/strong>5<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-02 08:57:04","option_type":"txt","len":0}]}