Toán lớp 7 - Sách kết nối tri thức - Đề kiểm tra 45 phút - Toán lớp 7 - Sách kết nối tri thức - Tháng 10 - Số 1

{"save":1,"level":1,"time":"45","total":25,"point":5,"segment":[{"id":"9909","test_id":"668","question":"<p>S\u1ed1 n&agrave;o d\u01b0\u1edbi \u0111&acirc;y l&agrave; <strong>s\u1ed1 th\u1eadp ph&acirc;n<\/strong>&nbsp;<strong data-end=\"575\" data-start=\"555\">v&ocirc; h\u1ea1n tu\u1ea7n ho&agrave;n<\/strong>?<\/p>","options":["<strong>A.<\/strong> 0,101001000100001...","<strong>B.<\/strong> 0,123123123...","<strong>C.<\/strong> <span class=\"math-tex\">$\\sqrt{2}$<\/span>","<strong>D.<\/strong> &pi;"],"correct":"2","answer":"<p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong> 0,123123123...<\/span><\/p><p>0,123123123... = 0,(123) l&agrave; s\u1ed1 th\u1eadp ph&acirc;n v&ocirc; h\u1ea1n tu\u1ea7n ho&agrave;n, c&oacute; chu k&igrave; l&agrave; 123.<\/p><p>C&aacute;c s\u1ed1&nbsp;0,101001000100001...;&nbsp;<span class=\"math-tex\">$\\sqrt{2}$<\/span>&nbsp;v&agrave;&nbsp;&pi; l&agrave; s\u1ed1&nbsp;th\u1eadp ph&acirc;n v&ocirc; h\u1ea1n kh&ocirc;ng tu\u1ea7n ho&agrave;n.<\/p>","type":"choose","user_id":"126","test":"2","date":"2025-08-02 09:36:23"},{"id":"9910","test_id":"668","question":"<p>Ch\u1ecdn kh\u1eb3ng \u0111\u1ecbnh&nbsp;<strong data-end=\"732\" data-start=\"725\">sai<\/strong> trong c&aacute;c kh\u1eb3ng \u0111\u1ecbnh sau.<\/p>","options":["<strong>A.<\/strong> M\u1ecdi s\u1ed1 th\u1eadp ph&acirc;n v&ocirc; h\u1ea1n \u0111\u1ec1u l&agrave; s\u1ed1 v&ocirc; t\u1ec9.","<strong>B.<\/strong> S\u1ed1 h\u1eefu t\u1ec9 l&agrave; s\u1ed1 vi\u1ebft \u0111\u01b0\u1ee3c d\u01b0\u1edbi d\u1ea1ng ph&acirc;n s\u1ed1.","<strong>C.<\/strong>&nbsp;<span class=\"math-tex\">$\\sqrt{25}=5$<\/span> l&agrave; m\u1ed9t s\u1ed1 h\u1eefu t\u1ec9.","<strong>D.<\/strong> S\u1ed1 v&ocirc; t\u1ec9 kh&ocirc;ng vi\u1ebft \u0111\u01b0\u1ee3c d\u01b0\u1edbi d\u1ea1ng ph&acirc;n s\u1ed1."],"correct":"1","answer":"<p>Kh\u1eb3ng \u0111\u1ecbnh sai l&agrave;&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong> M\u1ecdi s\u1ed1 th\u1eadp ph&acirc;n v&ocirc; h\u1ea1n \u0111\u1ec1u l&agrave; s\u1ed1 v&ocirc; t\u1ec9.<\/span><\/p><p><strong>A.<\/strong> M\u1ecdi s\u1ed1 th\u1eadp ph&acirc;n v&ocirc; h\u1ea1n \u0111\u1ec1u l&agrave; s\u1ed1 v&ocirc; t\u1ec9.<\/p><p>&rarr; <span style=\"color:#16a085;\">Sai<\/span>, v&igrave; s\u1ed1 th\u1eadp ph&acirc;n v&ocirc; h\u1ea1n tu\u1ea7n ho&agrave;n l&agrave; s\u1ed1 h\u1eefu t\u1ec9, c&ograve;n s\u1ed1 th\u1eadp ph&acirc;n v&ocirc; h\u1ea1n kh&ocirc;ng tu\u1ea7n ho&agrave;n l&agrave; s\u1ed1 v&ocirc; t\u1ec9.<\/p><p><strong>B.<\/strong> S\u1ed1 h\u1eefu t\u1ec9 l&agrave; s\u1ed1 vi\u1ebft \u0111\u01b0\u1ee3c d\u01b0\u1edbi d\u1ea1ng ph&acirc;n s\u1ed1 &rarr; <font color=\"#c0392b\">\u0110&uacute;ng<\/font>.<\/p><p><strong>C.<\/strong>&nbsp;<span class=\"math-tex\">$\\sqrt{25}=5$<\/span> l&agrave; m\u1ed9t s\u1ed1 h\u1eefu t\u1ec9 &rarr; <span style=\"color:#c0392b;\">\u0110&uacute;ng<\/span>.<\/p><p><strong>D.<\/strong> S\u1ed1 v&ocirc; t\u1ec9 kh&ocirc;ng vi\u1ebft \u0111\u01b0\u1ee3c d\u01b0\u1edbi d\u1ea1ng ph&acirc;n s\u1ed1&nbsp;&rarr; <span style=\"color:#c0392b;\">\u0110&uacute;ng<\/span>.<\/p>","type":"choose","user_id":"126","test":"1","date":"2025-08-02 09:38:47"}]}