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2022-11-01 19:40:02
Tổng chiều dài và chiều rộng là:
160 : 2 = 80 (cm)
a) Chiều rộng vườn hoa hình chữ nhật đó là:
80 : ( 3 + 5 ) x 3 = 30 (cm)
Chiều dài vườn hoa hình chữ nhật đó là:
80 - 30 = 50 (cm)
b) Diện tích vườn hoa là:
30 x 50 = 1500 (cm2)
Diện tích lối đi của vườn hoa đó là:
1500 - 16 = 1484 (cm2)
Đáp số: a) CR: 30cm; CD: 50cm
b) DTích: 1484cm2
2022-11-01 19:35:35
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