Ôn thi tốt nghiệp THPT môn Toán - Lớp 12 - Đề thi thử tốt nghiệp THPT môn Toán năm 2025 của Bắc Ninh
{"save":1,"level":1,"time":"90","total":34,"point":5,"segment":[{"id":"4520","test_id":"517","question":"<p>T\u1ea5t c\u1ea3 các nghi\u1ec7m c\u1ee7a ph\u01b0\u01a1ng trình <span class=\"math-tex\">$sinx=0$<\/span> là <br \/> <\/p>","options":["A. <span class=\"math-tex\">$x = \\dfrac{\\pi}{2} + k\\pi, \\, k \\in \\mathbb{Z}$<\/span>","B. <span class=\"math-tex\">$x = k2\\pi, \\, k \\in \\mathbb{Z}$<\/span>","C. <span class=\"math-tex\">$x = \\pi + k2\\pi, \\, k \\in \\mathbb{Z}$<\/span>","D. <span class=\"math-tex\">$x = k\\pi, \\, k \\in \\mathbb{Z}$<\/span>"],"correct":"4","answer":"<p>\u0110áp án \u0111úng là :<span style=\"color:#27ae60;\"><strong> D. <span class=\"math-tex\">$x = k\\pi, \\, k \\in \\mathbb{Z}$<\/span><\/strong><\/span><\/p><p> <\/p>","type":"choose","user_id":"156","test":"1","date":"2025-06-04 16:28:48"},{"id":"4521","test_id":"517","question":"<p>Trong không gian Oxyz , cho hai \u0111i\u1ec3m A(1; 2; 3), B(-2; 4; 0) . Trung \u0111i\u1ec3m c\u1ee7a \u0111o\u1ea1n th\u1eb3ng AB có tung \u0111\u1ed9 là<\/p>","options":["A. 1","B. 3","C. 2","D. -1 "],"correct":"2","answer":"<p>\u0110áp án \u0111úng là : <strong><span style=\"color:#27ae60;\">B. 3<\/span><\/strong><\/p><p>G\u1ecdi I là trung \u0111i\u1ec3m c\u1ee7a \u0111o\u1ea1n th\u1eb3ng AB . Khi \u0111ó <span class=\"math-tex\">$y_I = \\dfrac{y_{A} + y_B}{2} = \\dfrac{2 + 4}{2} = 3$<\/span><br \/> <\/p>","type":"choose","user_id":"156","test":"1","date":"2025-06-04 16:31:36"}]}