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câu 1:
chiều dài là a;chiều rộng là b;diện tích tam giác là a.h/2(a là đọ dài cạnh đáy,h là chiều cao tương ứng)
câu 2:
0
....(nản.thi vio phải ko)_
mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmtttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuummmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmiiiiiiiiiiiiiiiggggggggggggggggggggggggggggghhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhnnnnnnnnnnnnnnnnnbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbccccccccccccccccccccccccccccccccvvvvvvvvvvvvvvvvvvvvvvvvvsssssssssssssssssssssssssddddddddddddddddddddddddddddddddddddddddddddddddrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrggggggggggggggggggftqqqqqqqqqqqqqqqqqwwwwwwwwwwwwwwwwwwwwwwwwwwwwwaaaaaaaaaaaaaaaaaaaaaaaaaaavvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvhgbbbbbbbbbbbbbbbbbbbbbbbbbbbnnnnnnnnnnnnnnmmmmmmmmmmmmmmmmmmmmmmmmmmmmvbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbccccccccccccccccccccccccccccccccccccccccccccccccccccsssssssssssssssssssssssssssssssssssssssssssszzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz,,,,,,,,,,,,juyyyyyyyyyyyyyyyyy,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,..............................................................................////////////////////////////////////////////////////////////????????????????????????????????????????????????????????????????????////;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;''''''''''''''''''''''''''''''''''''''''''''''''''''''''"''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||\\\\\\\\\\\\\\
Câu 1 : 0
Câu 2 : 0
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