Mathematics, 30.07.2021 19:10 probablyacommunist

Một tổ may áo theo kế hoạch mỗi ngày phải may 30 áo. Nhờ cải tiến kĩ thuật tổ đã may được mỗi ngày 40 áo nên đã hoàn thành trước thời hạn 3 ngày ngoài ra còn may thêm được 20 chiếc áo nữa .Tính số áo mà tổ đó đã phải may theo kế hoạch

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Một tổ may áo theo kế hoạch mỗi ngày phải may 30 áo. Nhờ cải tiến kĩ thuật tổ đã may được mỗi ngày 4...

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