Ôn tập bảng số liệu, khả năng xảy ra của một sự kiện

Home Lớp 3 Toán lớp 3 - Sách Kết nối tri thức Bài 80: Ôn tập bảng số liệu, khả năng xảy ra của một sự kiệnBài tập cơ bản

{"common":{"save":0,"post_id":"5932","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1983","post_id":"5932","mon_id":"1158530","chapter_id":"1158711","question":"<p>Cho b\u1ea3ng s\u1ed1 li\u1ec7u v\u1ec1 s\u1ed1 h\u1ecdc sinh \u0111ã \u0111\u1ebfn th\u01b0 vi\u1ec7n vào m\u1ed7i bu\u1ed5i sáng và chi\u1ec1u trong m\u1ed9t tu\u1ea7n h\u1ecdc:<\/p><table border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"height: 100px; width: 400px;\"><tbody> <tr> <td> <\/td> <td>Sáng<\/td> <td>Chi\u1ec1u<\/td> <\/tr> <tr> <td>Th\u1ee9 2<\/td> <td>40<\/td> <td>45<\/td> <\/tr> <tr> <td>Th\u1ee9 3<\/td> <td>50<\/td> <td>48<\/td> <\/tr> <tr> <td>Th\u1ee9 4<\/td> <td>65<\/td> <td>38<\/td> <\/tr> <tr> <td>Th\u1ee9 5<\/td> <td>55<\/td> <td>40<\/td> <\/tr> <tr> <td>Th\u1ee9 6<\/td> <td>47<\/td> <td>52<\/td> <\/tr><\/tbody><\/table><p>Sáng th\u1ee9 6 có  <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/>  h\u1ecdc sinh \u0111\u1ebfn th\u01b0 vi\u1ec7n.<\/p><p>Chi\u1ec1u th\u1ee9 2 có  <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/>  h\u1ecdc sinh \u0111\u1ebfn th\u01b0 vi\u1ec7n.<\/p>","options":"","correct":["[\"47\",\"45\"]"],"level":"1","hint":"","answer":"<p>Sáng th\u1ee9 6 có <span style=\"color:#16a085;\">47 <\/span>h\u1ecdc sinh \u0111\u1ebfn th\u01b0 vi\u1ec7n.<\/p><p>Chi\u1ec1u th\u1ee9 2 có <span style=\"color:#16a085;\">45<\/span> h\u1ecdc sinh \u0111\u1ebfn th\u01b0 vi\u1ec7n.<\/p><p>Các s\u1ed1 c\u1ea7n \u0111i\u1ec1n là   <span style=\"color:#16a085;\"><strong>47  <\/strong><\/span>và  <span style=\"color:#16a085;\"><strong>45<\/strong><\/span>.<\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"1","date":"2022-06-28 09:20:41"},{"id":"1984","post_id":"5932","mon_id":"1158530","chapter_id":"1158711","question":"<p>Cho b\u1ea3ng s\u1ed1 li\u1ec7u v\u1ec1 s\u1ed1 h\u1ecdc sinh \u0111ã \u0111\u1ebfn th\u01b0 vi\u1ec7n vào m\u1ed7i bu\u1ed5i sáng và chi\u1ec1u trong m\u1ed9t tu\u1ea7n h\u1ecdc:<\/p><table border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"height: 100px; width: 300px;\"><tbody> <tr> <td> <\/td> <td>Sáng<\/td> <td>Chi\u1ec1u<\/td> <\/tr> <tr> <td>Th\u1ee9 2<\/td> <td>40<\/td> <td>45<\/td> <\/tr> <tr> <td>Th\u1ee9 3<\/td> <td>50<\/td> <td>48<\/td> <\/tr> <tr> <td>Th\u1ee9 4<\/td> <td>65<\/td> <td>38<\/td> <\/tr> <tr> <td>Th\u1ee9 5<\/td> <td>55<\/td> <td>40<\/td> <\/tr> <tr> <td>Th\u1ee9 6<\/td> <td>47<\/td> <td>52<\/td> <\/tr><\/tbody><\/table><p>S\u1ed1 h\u1ecdc sinh \u0111\u1ebfn th\u01b0 vi\u1ec7n vào c\u1ea3 hai bu\u1ed5i c\u1ee7a th\u1ee9 5 là  <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p>","options":["55","40","15","95"],"correct":"4","level":"1","hint":"","answer":"<p>S\u1ed1 h\u1ecdc sinh \u0111\u1ebfn th\u01b0 vi\u1ec7n vào c\u1ea3 hai bu\u1ed5i c\u1ee7a th\u1ee9 5 là<\/p><p>55 + 45 = 95  (h\u1ecdc sinh)<\/p><p>\u0110áp s\u1ed1:  95 h\u1ecdc sinh<\/p><p>\u0110áp án \u0111úng là   <span style=\"color:#16a085;\"><strong>95<\/strong><\/span><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"131","test":"1","date":"2022-06-28 09:24:13","option_type":"txt","len":0},{"id":"1986","post_id":"5932","mon_id":"1158530","chapter_id":"1158711","question":"<p>Cho b\u1ea3ng s\u1ed1 li\u1ec7u v\u1ec1 s\u1ed1 h\u1ecdc sinh \u0111ã \u0111\u1ebfn th\u01b0 vi\u1ec7n vào m\u1ed7i bu\u1ed5i sáng và chi\u1ec1u trong m\u1ed9t tu\u1ea7n h\u1ecdc:<\/p><table border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"height: 100px; width: 300px;\"><tbody> <tr> <td> <\/td> <td>Sáng<\/td> <td>Chi\u1ec1u<\/td> <\/tr> <tr> <td>Th\u1ee9 2<\/td> <td>40<\/td> <td>45<\/td> <\/tr> <tr> <td>Th\u1ee9 3<\/td> <td>50<\/td> <td>48<\/td> <\/tr> <tr> <td>Th\u1ee9 4<\/td> <td>65<\/td> <td>38<\/td> <\/tr> <tr> <td>Th\u1ee9 5<\/td> <td>55<\/td> <td>40<\/td> <\/tr> <tr> <td>Th\u1ee9 6<\/td> <td>47<\/td> <td>52<\/td> <\/tr><\/tbody><\/table><p>Th\u1ee9 4 có <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/>  h\u1ecdc sinh \u0111\u1ebfn th\u01b0 vi\u1ec7n vào bu\u1ed5i chi\u1ec1u.<\/p><p>Th\u1ee9 3 có <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> h\u1ecdc sinh \u0111\u1ebfn th\u01b0 vi\u1ec7n vào bu\u1ed5i sáng.<\/p>","options":"","correct":["[\"38\",\"50\"]"],"level":"1","hint":"","answer":"<p>Th\u1ee9 4 có  38  h\u1ecdc sinh \u0111\u1ebfn th\u01b0 vi\u1ec7n vào bu\u1ed5i chi\u1ec1u.<\/p><p>Th\u1ee9 3 có  50  h\u1ecdc sinh \u0111\u1ebfn th\u01b0 vi\u1ec7n vào bu\u1ed5i sáng.<\/p><p>Các s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t là     <span style=\"color:#16a085;\"><strong>38  <\/strong><\/span>và  <span style=\"color:#16a085;\"><strong>50<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"131","test":"1","date":"2022-06-28 09:28:35"}]}