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long mua 3 quyển vở hết số tiền là :
7600 x 3 = 22800 ( đồng )
Cô bán hàng phải trả lại cho Long số tiền là :
30000 - 22800 = 7200 ( đồng )
Đáp số :............
Long mua 3 quyển vở hết số tiền là :
7600 x 3 = 22800 ( đồng )
Cô bán hàng phải trả lại cho Long số tiền là :
30000 - 22800 = 7200 ( đồng )
Đáp số : 7200 đồng
Việt mua hết số tiền là:
6 000 x 6 = 36 000 (đồng)
Cô bán hàng trả lại cho Việt số tiền là:
100 000 – 36 000 = 64 000 (đồng)
Đáp số: 64 000 đồng
Bài giải
Lúc đầu mẹ có số tiền là:
(18000 + 27000) + 5000 = 50000(đồng)
Đáp số: 50000 đồng.
ủa làm j đủ tiền đâu mà cô bán hàng phải trả lại tiền có 10000 mà mua sách với bút hết 90000
Đáp án A