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phamquanghuy7213
2 năm trước
Giải toán bằng cách lập phương trình Một tổ sản xuất dự định mỗi ngày may được 30 chiếc áo. Khi thực hiện nhờ cải tiễn kĩ thuật tổ sản xuất may được 45 chiếc áo mỗi ngày nên đã hoàn thành sớm hơn kế hoạch 2 ngày và còn may thêm được 90 chiếc áo so với kế hoạch. Tính số áo tổ phải làm theo kế hoạch?
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