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Nguyễn Phương
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2023-06-09 15:36:04
Nếu coi hiệu là 1 phần thì tổng là 7 phần.
Ta có:
7 = 1 + 6
7 = 2 + 5
7 = 3 + 4
Trong các trường hợp trên chỉ có 4 - 3 = 1.
Vậy số lớn gồm 4 phần và số bé gồm 3 phần.
Số phần hiệu kém số bé là::
3 - 1 = 2 ( phần )
Số bé là:
30 : 2 X 3 = 45
Số lớn là:
30 : 2 X 4 = 60
hai số phải tìm là 45 và 60
2023-06-09 15:34:47