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Nguyễn Lan Hương
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2023-06-03 09:45:44
Tổ 1 được chia số quyển vở là :
60 x 1/4 = 15 (quyển vở)
Tổ 2 được chia số quyển vở là :
60 x 2/5 = 24 (quyển vở)
Tổ 3 được chia số quyển vở là :
60 - (15 + 24) = 21 (quyển vở)
Đ/S : 21 quyển vở