Chú ý: Để đảm bảo quyền lợi và bảo vệ tài khoản của mình
Bạn hãy xác thực địa chỉ email đăng ký nhé. Chi tiết xem tại đây
Đăng kí mua thẻ | Câu hỏi thường gặp
Đăng nhập Đăng ký
  • Lớp học
    • Lớp 1
    • Lớp 2
    • Lớp 3
    • Lớp 4
    • Lớp 5
    • Lớp 6
    • Lớp 7
    • Lớp 8
    • Lớp 9
    • Lớp 10
    • Lớp 11
    • Lớp 12
  • Kiểm Tra
    • Đề kiểm tra 15 phút, 1 tiết
    • Đề kiểm tra học kỳ
  • Thi đấu
  • Ôn thi TN THPT
    • Ôn thi tốt nghiệp THPT môn Toán - Lớp 12
    • Ôn thi tốt nghiệp THPT môn Ngữ văn - Lớp 12
    • Ôn thi tốt nghiệp THPT môn Vật lý- Lớp 12
    • Ôn thi tốt nghiệp THPT môn Hoá học - Lớp 12
  • Giới thiệu
  • VinaPhone
Học tiếng Anh online - Học tiếng Anh trên mạng - Học tiếng Anh trực tuyến
HomeLớp 2Toán lớp 2 - Sách Kết nối tri thứcBài 69: Ôn tập phép cộng, phép trừ trong phạm vi 1000Bài tập nâng cao
{"common":{"save":0,"post_id":"4404","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2691","post_id":"4404","mon_id":"11445","chapter_id":"11593","question":"<p><span class=\"svgedit\"><svg height=\"69\" width=\"504\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"71\" id=\"canvas_background\" width=\"506\" 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>&lt;title&gt;&lt;\/title><image height=\"65\" id=\"svg_1\" width=\"500\" x=\"0\" xlink:href=\"data:image\/png;base64,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\" y=\"0.5\"><\/image> <\/g> <\/svg><\/span><\/p><p>S\u1ed1 \u0111i\u1ec1n v&agrave;o &ocirc; vu&ocirc;ng c&oacute; d\u1ea5u &quot;?&quot; l&agrave;:&nbsp;<\/p>","options":["64","27","57","44"],"correct":"4","level":"3","hint":"","answer":"<p>S\u1ed1 \u0111i\u1ec1n v&agrave;o h&igrave;nh tr&ograve;n l&agrave;: 96 - 69 = 27<\/p><p>S\u1ed1 \u0111i\u1ec1n v&agrave;o h&igrave;nh tam gi&aacute;c l&agrave;: 27 + 37 = 64<\/p><p>S\u1ed1 \u0111i\u1ec1n v&agrave;o h&igrave;nh vu&ocirc;ng l&agrave;: 64 - 20 = 44&nbsp;<\/p><p>V\u1eady ta ch\u1ecdn \u0111&aacute;p &aacute;n l&agrave;: <span style=\"color:#3498db;\">44<\/span><\/p>","type":"choose","extra_type":"flower","time":"0","user_id":"125","test":"1","date":"2021-08-10 15:02:37","option_type":"txt","len":0},{"id":"2692","post_id":"4404","mon_id":"11445","chapter_id":"11593","question":"<p><span class=\"svgedit\"><svg height=\"80\" width=\"391\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"82\" id=\"canvas_background\" width=\"393\" 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>&lt;title&gt;&lt;\/title><image height=\"67\" id=\"svg_1\" stroke=\"null\" width=\"397.00001\" x=\"-2\" xlink:href=\"data:image\/png;base64,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\" y=\"9\"><\/image> <\/g> <\/svg><\/span><\/p><p>2 s\u1ed1 l\u1ea7n l\u01b0\u1ee3t t\u1eeb tr&aacute;i qua ph\u1ea3i \u0111i\u1ec1n v&agrave;o d\u1ea5u &quot;?&quot; l&agrave;:&nbsp;<\/p>","options":["74 v&agrave; 56","64 v&agrave; 28","74 v&agrave; 18","18 v&agrave; 64"],"correct":"3","level":"3","hint":"","answer":"<p>Th\u1ef1c hi\u1ec7n ph&eacute;p t&iacute;nh l\u1ea7n l\u01b0\u1ee3t&nbsp;t\u1eeb tr&aacute;i sang ph\u1ea3i:<\/p><p>46 + 28 = 74&nbsp;<\/p><p>74 - <strong>? <\/strong>= 56<\/p><p>l\u1ea5y 74 - <strong>56 <\/strong>= 18<\/p><p>V\u1eady \u0111&aacute;p &aacute;n \u0111&uacute;ng \u0111i\u1ec1n v&agrave;o 2 d\u1ea5u ? l&agrave;<strong>&nbsp;<\/strong><span style=\"color:#3498db;\"><strong>74<\/strong> <\/span>v&agrave;<span style=\"color:#3498db;\"> <strong>18<\/strong><\/span><\/p>","type":"choose","extra_type":"cloud","time":"0","user_id":"125","test":"3","date":"2021-08-10 15:11:31","option_type":"txt","len":0},{"id":"2693","post_id":"4404","mon_id":"11445","chapter_id":"11593","question":"<p>M\u1ed9t ph&eacute;p c\u1ed9ng c&oacute; t\u1ed5ng b\u1eb1ng 62, n\u1ebfu th&ecirc;m v&agrave;o m\u1ed7i s\u1ed1 h\u1ea1ng 8 \u0111\u01a1n v\u1ecb th&igrave; t\u1ed5ng m\u1edbi l&agrave; bao nhi&ecirc;u?&nbsp;<\/p>","options":["70","78","54","16"],"correct":"2","level":"3","hint":"<p>Khi th&ecirc;m v&agrave;o m\u1ed7i s\u1ed1 h\u1ea1ng bao nhi&ecirc;u \u0111\u01a1n v\u1ecb th&igrave; t\u1ed5ng c\u0169ng t\u0103ng l&ecirc;n b\u1ea5y nhi&ecirc;u \u0111\u01a1n v\u1ecb.<\/p>","answer":"<p>T\u1ed5ng m\u1edbi l&agrave;:&nbsp;<\/p><p>62 + 8 + 8 = 78<\/p><p>\u0110&aacute;p s\u1ed1: <span style=\"color:#3498db;\">78<\/span><\/p>","type":"choose","extra_type":"star","time":"0","user_id":"125","test":"3","date":"2021-08-10 15:43:39","option_type":"txt","len":0}]}
Giới thiệu  |   Câu hỏi thường gặp   |    Kiểm tra   |    Học mà chơi   |    Tin tức   |    Quy định sử dụng   |    Chính sách bảo mật   |    Góp ý - Liên hệ
Tiểu học
  • Lớp 1
    • Toán lớp 1
    • Tiếng Việt lớp 1
  • Lớp 4
    • Toán lớp 4
    • Tiếng Việt lớp 4
    • Soạn Tiếng Việt 4
  • Lớp 2
    • Toán lớp 2
    • Tiếng Việt lớp 2
  • Lớp 5
    • Toán lớp 5
    • Tiếng Việt lớp 5
    • Soạn Tiếng Việt 5
  • Lớp 3
    • Toán lớp 3
    • Tiếng Việt lớp 3
    • Soạn Tiếng Việt 3
  • Trung học cơ sở
  • Lớp 6
    • Toán lớp 6
    • Vật Lý 6
    • Soạn văn 6
  • Lớp 7
    • Toán lớp 7
    • Vật Lý 7
    • Soạn văn 7
  • Lớp 8
    • Toán lớp 8
    • Vật Lý 8
    • Hóa Học 8
    • Soạn văn 8
  • Lớp 9
    • Toán lớp 9
    • Hóa Học 9
    • Soạn văn 9
  • Trung học phổ thông
  • Lớp 10
    • Toán lớp 10
    • Vật Lý 10
    • Hóa học 10
  • Lớp 11
    • Toán lớp 11
    • Vật Lý 11
    • Hóa học 11
  • Lớp 12
    • Toán lớp 12
    • Vật Lý 12
    • Hóa học 12
  • LuyenThi123.Com - a product of BeOnline Co., Ltd. (Cty TNHH Hãy Trực Tuyến)
    Giấy phép ĐKKD số: 0102852740 cấp bởi Sở Kế hoạch và Đầu tư Hà Nội ngày 7/8/2008
    Giấy phép cung cấp dịch vụ mạng xã hội học tập trực tuyến số: 524/GP-BTTTT cấp ngày 24/11/2016 bởi Bộ Thông Tin & Truyền Thông

    Tel: 02473080123 - 02436628077  (8:30am-9pm)  | Email: hotro@luyenthi123.com
    Địa chỉ: số nhà 13, ngõ 259/9 phố Vọng, Đồng Tâm, Hai Bà Trưng, Hà Nội.