Câu 8.Một quyễn sách chuyện dày 128 trang.Bình đã đọc 1/4 số trang đó.Hỏi bao nhiêu trang sách mà Bình chưa đọc ?
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NH
3
25 tháng 12 2021
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4
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3
25 tháng 12 2021
75:5 = 15
85:4 = 21 dư 1
72:6 = 12
98:8 = 12 dư 2 nha
25 tháng 12 2021
32 người cần 8 thuyền, còn 2 người nữa thì cần thêm 1 thuyền.
Vậy số thuyền cần ít nhất là:
8 + 1 = 9 ( thuyền )
Đáp số : 9 thuyền
Học tốt :D