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12%9=□%9+2=□

解: 12-9 =10+2-9 =10-9+2 =3 12-9=10-9+2=3

12345*9+6=111111123456*9+7=11111111234567*9+8=11111111…… 不懂追问哈,希望能被采纳^^

12-9=3 -9+2=-7 3+7=10 所以: 12-9=10-9+2=3 分开算

1×1=1 11×11=121 111×111=12321 1111×1111=1234321 ............

12-9=(10+2)-(10-1)=10-10+2+1=3

我发现这个括号里答案是什么呢?

=70.3x(12.9-2.9) =70.3x10 =703

Private Sub Form_click() For i = 1 To 9 s = s & i Print s & "*9+" & i + 1 & "=" & Val(s) * 9 + i + 1 Next End Sub

解: 原式 =17又3/4-(5又5/6+9又2/3+3又1/2) =17又3/4-(5又10/12+9又8/12+3又6/12) =17又3/4-17又24/12 =17又3/4-19 =-1又1/4

12/7*9/5+12/5*9/2 =12/5*9/7+12/5*9/2 =12/5*(9/7+9/2) =12/5*1 =12/5

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