Toán lớp 7 - Sách kết nối tri thức - Đề kiểm tra cuối học kì 1 - Toán lớp 7 - Sách kết nối tri thức - Tháng 1 - Số 1
{"save":1,"level":1,"time":"60","total":30,"point":5,"segment":[{"id":"10136","test_id":"684","question":"<p data-end=\"376\" data-start=\"302\">S\u1ed1 nào sau \u0111ây là s\u1ed1 h\u1eefu t\u1ec9?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$-\\sqrt{2}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\pi$<\/span>","<strong>C.<\/strong> 0,75","<p data-end=\"376\" data-start=\"302\"><strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{1}{0}$<\/span><\/p>"],"correct":"3","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 0,75.<\/span><\/p><p>S\u1ed1 h\u1eefu t\u1ec9 là s\u1ed1 vi\u1ebft \u0111\u01b0\u1ee3c d\u01b0\u1edbi d\u1ea1ng <span class=\"math-tex\">$\\dfrac{a}{b}$<\/span>, trong \u0111ó a, b <span class=\"math-tex\">$\\in$<\/span> Z, b <span class=\"math-tex\">$\\ne$<\/span> 0.<\/p><p>Vì <span class=\"math-tex\">$0,75=\\dfrac{75}{100}$<\/span> nên 0,75 là s\u1ed1 h\u1eefu t\u1ec9.<\/p>","type":"choose","user_id":"126","test":"1","date":"2025-08-03 15:33:55"},{"id":"10138","test_id":"684","question":"<p data-end=\"636\" data-start=\"475\">K\u1ebft qu\u1ea3 c\u1ee7a phép tính <span class=\"math-tex\">$\\dfrac{5}{8} + \\dfrac{3}{4}$<\/span> là:<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$ \\dfrac{8}{12}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{11}{8}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{13}{8}$<\/span>","<p data-end=\"636\" data-start=\"475\"><strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{7}{8}$<\/span><\/p>"],"correct":"2","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{11}{8}$<\/span>.<\/span><\/p><p><span class=\"math-tex\">$\\dfrac{5}{8}+\\dfrac{3}{4}=\\dfrac{5}{8}+\\dfrac{6}{8}=\\dfrac{11}{8}$<\/span>.<\/p>","type":"choose","user_id":"126","test":"1","date":"2025-08-03 15:38:46"}]}