Hà Việt Phương
Giới thiệu về bản thân
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2023-05-15 19:09:44
1/7 = 6/42
1/6=7/42
=> số vừa lớn hơn 6/42 bé hơn 7/42 là: 6,1/42;6,2/42;6,3/42;...;6,9/42
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