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2022-12-09 20:22:01
đường chéo lớn là:
(76,4 + 4,4) : 2 = 40,4 (m)
đường chéo bé là:
76,4 - 40,4 =36 (m)
diện tích mảnh đất là:
40,4 x 36 : 2 = 7272 (m)
đ/s:......m