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thewinladeo
2 năm trước
Bài 1 : Tính bằng 2 cách : a) ( 75 + 45 ) : 5 = b) ( 88 - 32 ) : 8 = Bài 2 : Một cửa hàng tuần đầu bán được 319m vải.Tuần sau bán được nhiều hơn tuần đầu 76m.Hỏi trong hai tuần đó , trung bình mỗi ngày cửa hàng bán được bao nhiêu m vải ? Biết rằng cửa hàng mở cửa tất cả các ngày trong tuần. GIÚP MÌNH VỚI!!!
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