{"common":{"save":0,"post_id":"9641","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"11409","post_id":"9641","mon_id":"1160119","chapter_id":"1160128","question":"<p>Trong m\u1ed9t trang tính, các hàng \u0111\u01b0\u1ee3c \u0111ánh d\u1ea5u nh\u01b0 th\u1ebf nào?<\/p>","options":["A. B\u1eb1ng ch\u1eef cái: A, B, C,...","B. B\u1eb1ng s\u1ed1: 1, 2, 3,...","C. B\u1eb1ng c\u1ea3 ch\u1eef cái và s\u1ed1","D. Không có \u0111ánh s\u1ed1 hay ký hi\u1ec7u gì"],"correct":"2","level":"2","hint":"","answer":"<p>\u0110áp án \u0111úng: <span style=\"color:#16a085;\"><strong>B. B\u1eb1ng s\u1ed1: 1, 2, 3,...<\/strong><\/span><br \/>Trang tính là n\u01a1i chúng ta làm vi\u1ec7c v\u1edbi b\u1ea3ng (gi\u1ed1ng nh\u01b0 trong Excel ho\u1eb7c Google Sheets). Trang tính có: C\u1ed9t (theo chi\u1ec1u d\u1ecdc); Hàng (theo chi\u1ec1u ngang)<br \/>Trong trang tính: Các c\u1ed9t \u0111\u01b0\u1ee3c \u0111ánh d\u1ea5u b\u1eb1ng ch\u1eef cái: A, B, C, ..., Z, AA, AB, ...; Các hàng \u0111\u01b0\u1ee3c \u0111ánh d\u1ea5u b\u1eb1ng s\u1ed1: 1, 2, 3, ..., 1000,...<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"151","test":"0","date":"2025-07-09 09:19:20","option_type":"txt","len":3},{"id":"11410","post_id":"9641","mon_id":"1160119","chapter_id":"1160128","question":"<p>Ch\u1ecdn câu \u0111úng v\u1ec1 m\u1ed1i quan h\u1ec7 gi\u1eefa b\u1ea3ng tính và trang tính:<\/p>","options":["A. M\u1ed9t b\u1ea3ng tính có th\u1ec3 ch\u1ee9a nhi\u1ec1u trang tính","B. M\u1ed9t b\u1ea3ng tính ch\u1ec9 có duy nh\u1ea5t m\u1ed9t trang tính","C. M\u1ed9t trang tính g\u1ed3m nhi\u1ec1u b\u1ea3ng tính","D. M\u1ed9t trang tính ch\u1ec9 dùng cho m\u1ed9t b\u1ea3ng tính"],"correct":"1","level":"2","hint":"","answer":"<p>\u0110áp án \u0111úng: <span style=\"color:#16a085;\"><strong>A. M\u1ed9t b\u1ea3ng tính có th\u1ec3 ch\u1ee9a nhi\u1ec1u trang tính<\/strong><\/span><br \/>B\u1ea3ng tính (Workbook): là t\u1ec7p làm vi\u1ec7c, n\u01a1i ch\u1ee9a nhi\u1ec1u trang tính (Worksheet) bên trong.<br \/>Trang tính: là m\u1ed9t b\u1ea3ng l\u01b0\u1edbi g\u1ed3m các hàng và c\u1ed9t, n\u01a1i em nh\u1eadp d\u1eef li\u1ec7u, tính toán và v\u1ebd bi\u1ec3u \u0111\u1ed3. M\u1ed7i trang tính là m\u1ed9t ph\u1ea7n trong b\u1ea3ng tính. B\u1ea3ng tính có th\u1ec3 có nhi\u1ec1u trang tính nh\u01b0 "Trang 1", "Trang 2", "Trang 3"...<br \/>Ví d\u1ee5: Khi em m\u1edf m\u1ed9t t\u1ec7p Excel tên là diem_lop7.xlsx, \u0111ó là m\u1ed9t b\u1ea3ng tính, trong \u0111ó có th\u1ec3 có nhi\u1ec1u trang tính nh\u01b0: Trang tính 1: "Toán"; Trang tính 2: "V\u0103n"; Trang tính 3: "Tin"<\/p><p><span class=\"svgedit\"><svg height=\"37\" width=\"155\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g><title><\/title><rect fill=\"#fff\" height=\"39\" id=\"canvas_background\" width=\"157\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><image height=\"37\" id=\"svg_1\" width=\"155\" x=\"1.5\" xlink:href=\"data:image\/png;base64,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\" y=\"-0.5\"><\/image> <\/g> <\/svg><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"151","test":"0","date":"2025-07-09 09:21:48","option_type":"txt","len":3},{"id":"11411","post_id":"9641","mon_id":"1160119","chapter_id":"1160128","question":"<p>Khi làm vi\u1ec7c v\u1edbi b\u1ea3ng tính \u0111i\u1ec7n t\u1eed, \u0111i\u1ec1u nào sau \u0111ây là \u0111úng?<\/p>","options":["A. Không th\u1ec3 tính toán t\u1ef1 \u0111\u1ed9ng b\u1eb1ng b\u1ea3ng tính","B. B\u1ea3ng tính \u0111i\u1ec7n t\u1eed ch\u1ec9 x\u1eed lý d\u1eef li\u1ec7u s\u1ed1","C. N\u1ebfu d\u1eef li\u1ec7u ban \u0111\u1ea7u thay \u0111\u1ed5i, k\u1ebft qu\u1ea3 tính toán s\u1ebd \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt t\u1ef1 \u0111\u1ed9ng","D. Mu\u1ed1n có k\u1ebft qu\u1ea3 m\u1edbi ph\u1ea3i tính toán l\u1ea1i b\u1eb1ng tay"],"correct":"3","level":"2","hint":"","answer":"<p>\u0110áp án \u0111úng: <span style=\"color:#16a085;\"><strong>C. N\u1ebfu d\u1eef li\u1ec7u ban \u0111\u1ea7u thay \u0111\u1ed5i, k\u1ebft qu\u1ea3 tính toán s\u1ebd \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt t\u1ef1 \u0111\u1ed9ng<\/strong><\/span><br \/>B\u1ea3ng tính \u0111i\u1ec7n t\u1eed (ví d\u1ee5 nh\u01b0 Microsoft Excel, Google Sheets) là ph\u1ea7n m\u1ec1m giúp em: Nh\u1eadp d\u1eef li\u1ec7u (s\u1ed1, ch\u1eef, ngày tháng...); Tính toán nhanh b\u1eb1ng công th\u1ee9c và hàm; C\u1eadp nh\u1eadt k\u1ebft qu\u1ea3 t\u1ef1 \u0111\u1ed9ng khi d\u1eef li\u1ec7u thay \u0111\u1ed5i<br \/>Ví d\u1ee5 d\u1ec5 hi\u1ec3u: Em nh\u1eadp vào ô A1 là s\u1ed1 5, ô A2 là s\u1ed1 10; \u1ede ô A3, em dùng công th\u1ee9c =A1 + A2, k\u1ebft qu\u1ea3 là 15; Sau \u0111ó, n\u1ebfu em \u0111\u1ed5i A1 thành 20, thì ô A3 s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111\u1ed5i thành 30; Em không c\u1ea7n b\u1ea5m máy tính l\u1ea1i!<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"151","test":"0","date":"2025-07-09 09:22:29","option_type":"txt","len":3}]}