Toán lớp 11 - Đề kiểm tra 15 phút - Toán lớp 11 - Tháng 11 - Số 2
{"save":1,"level":1,"time":"15","total":10,"point":5,"segment":[{"id":"236","test_id":"208","question":"<p>Cho ba m\u1eb7t ph\u1eb3ng phân bi\u1ec7t <span class=\"math-tex\">$(\\alpha ),(\\beta ),(\\gamma )$<\/span> có <span class=\"math-tex\">$(\\alpha ) \\cap (\\beta ) = {d_1};(\\beta ) \\cap (\\gamma ) = {d_2};(\\alpha ) \\cap (\\gamma ) = {d_3}$<\/span>.<\/p><p>Khi \u0111ó ba \u0111\u01b0\u1eddng th\u1eb3ng <span class=\"math-tex\">${d_1},{d_2},d{ _3}$<\/span><\/p>","options":["A. \u0110ôi m\u1ed9t c\u1eaft nhau","B. \u0110ôi m\u1ed9t song song","C. \u0110\u1ed3ng quy","D. \u0110ôi m\u1ed9t song song ho\u1eb7c \u0111\u1ed3ng quy"],"correct":"4","answer":"<p>D\u1ef1a vào \u0111\u1ecbnh lý 1<\/p>","type":"choose","user_id":"88","test":"0","date":"2020-03-13 22:28:04"},{"id":"237","test_id":"208","question":"<p>Trong không gian, cho 3 \u0111\u01b0\u1eddng th\u1eb3ng <span class=\"math-tex\">$a,b,c$<\/span>, bi\u1ebft <span class=\"math-tex\">$a\/\/b,a$<\/span> và <span class=\"math-tex\">$c$<\/span> chéo nhau. Khi \u0111ó hai \u0111\u01b0\u1eddng th\u1eb3ng <span class=\"math-tex\">$b$<\/span> và <span class=\"math-tex\">$c$<\/span>?<\/p>","options":["A. Trùng nhau ho\u1eb7c chéo nhau","B. C\u1eaft nhau ho\u1eb7c chéo nhau","C. Chéo nhau ho\u1eb7c song song","D. Song song ho\u1eb7c trùng nhau"],"correct":"2","answer":"","type":"choose","user_id":"88","test":"0","date":"2020-03-13 22:29:59"}]}