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2022-04-20 21:12:31
2022-04-20 21:10:29
theo tớ là như vậy nhé:
Tổng hai đáy là:3,5+2,3=5,8
Chiều cao là:5,8x3/4=..........
rồi cậu tính diện tích hình thang như bt nhé