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Ngày đăng: 27/08/2019, 00:54
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Mục lục
1. Một đội thủy lợi sửa chữa kênh tưới nước vào ruộng. Đợt một sửa được 53 mét kênh, đợt hai sửa được 50 mét, đợt ba sửa được 35 mét kênh. Hỏi trung bình mỗi đợt đội thủy lợi đó sửa được bao nhiêu mét kênh?
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2. Một đội công nhân làm đường, ngày thứ nhất hoàn thành 37 mét đường, ngày thứ hai hoàn thành 40 mét đường, ngày thứ ba làm được 52 mét đường. Hỏi trung bình mỗi ngày đội công nhân đó làm được bao nhiêu mét đường?
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3. Một đoàn xe trở hàng gồm 8 xe tải nhỏ và 4 xe tải to. Mỗi xe tải nhỏ trở 28 tạ hàng và mỗi xe tải to trở 52 tạ hàng. Hỏi trung bình mỗi xe trong đoàn xe trở bao nhiêu tạ hàng?
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