Chu vi hình tam giác, hình tứ giác, hình chữ nhật, hình vuông

Home Lớp 3 Toán lớp 3 - Sách Kết nối tri thức Bài 50: Chu vi hình tam giác, hình tứ giác, hình chữ nhật, hình vuôngBài tập cơ bản

{"common":{"save":0,"post_id":"5895","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"1198","post_id":"5895","mon_id":"1158530","chapter_id":"1158694","question":"Ch\u1ecdn câu \u0111úng<\/p><div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/hinh-hoc\/h3.png\" \/><\/div>","options":["A.<\/strong> Chu vi c\u1ee7a m\u1ed9t tam giác là t\u1ed5ng \u0111\u1ed9 dài ba c\u1ea1nh c\u1ee7a tam giác \u0111ó.","B. <\/strong>Chu vi c\u1ee7a m\u1ed9t tam giác là t\u1ed5ng \u0111\u1ed9 dài hai c\u1ea1nh c\u1ee7a tam giác \u0111ó."],"correct":"1","level":"1","hint":"","answer":"\u0110áp án \u0111úng là    A.<\/strong> Chu vi c\u1ee7a m\u1ed9t tam giác là t\u1ed5ng \u0111\u1ed9 dài ba c\u1ea1nh c\u1ee7a tam giác \u0111ó.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-12 06:51:16","option_type":"txt","len":3},{"id":"1199","post_id":"5895","mon_id":"1158530","chapter_id":"1158694","question":"Ch\u1ecdn câu \u0111úng<\/p><div class=\"lt123_imgs\"><img class=\"img_dd tiny\" src=\"\/data\/library\/hinh-hoc\/cn.png\" \/><\/div>","options":["A.<\/strong> Chu vi c\u1ee7a m\u1ed9t t\u1ee9 giác là t\u1ed5ng \u0111\u1ed9 dài b\u1ed1n c\u1ea1nh c\u1ee7a t\u1ee9 giác \u0111ó.","B.<\/strong> Chu vi c\u1ee7a m\u1ed9t t\u1ee9 giác là t\u1ed5ng \u0111\u1ed9 dài ba c\u1ea1nh c\u1ee7a t\u1ee9 giác \u0111ó."],"correct":"1","level":"1","hint":"","answer":"\u0110áp án \u0111úng là   A.<\/strong> Chu vi c\u1ee7a m\u1ed9t t\u1ee9 giác là t\u1ed5ng \u0111\u1ed9 dài b\u1ed1n c\u1ea1nh c\u1ee7a t\u1ee9 giác \u0111ó.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-06-12 06:52:33","option_type":"txt","len":3},{"id":"1201","post_id":"5895","mon_id":"1158530","chapter_id":"1158694","question":"Tính chu vi c\u1ee7a hình tam giác có \u0111\u1ed9 dài các c\u1ea1nh là  3 cm ; 4 cm và 5 cm.<\/p><svg height=\"114\" width=\"217\" 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y=\"-21.5\"><\/image> <\/g> <\/svg><\/span><\/p>","options":["A.<\/strong> 12 cm","B.<\/strong> 13 cm","C.<\/strong> 11 cm","D.<\/strong> 14 cm"],"correct":"1","level":"1","hint":"Chu vi c\u1ee7a m\u1ed9t hình tam giác b\u1eb1ng t\u1ed5ng \u0111\u1ed9 dài ba c\u1ea1nh c\u1ee7a tam giác \u0111ó.<\/p>","answer":"Chu vi hình tam giác là <\/p>      3 + 4 + 5 = 12 (cm)<\/p>                     \u0110áp s\u1ed1: 12 cm<\/p>\u0110áp án \u0111úng là    A.<\/strong> 12 cm<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"3","date":"2022-06-12 06:56:49","option_type":"txt","len":0}]}