Toán Lớp 5: 1 manh dat HCN co chieu dai la 4/5m va bang 4/3 chieu rong. Tinh dien tich HCN do?
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Toán Lớp 5: 1 manh dat HCN co chieu dai la 4/5m va bang 4/3 chieu rong. Tinh dien tich HCN do?
Comments ( 2 )
4/5 : 4/3= 3/5 (m)
Diện tích là:
4/5 x 3/5= 12/25 (m²)
Đ/S 12/35m²