几道数学列示题1x2x1/2x(-2)=1x2x(-1/2)x(-2)=1x(-2)x(-1/2)x(-2)=(-1)x
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几道数学列示题
1x2x1/2x(-2)=
1x2x(-1/2)x(-2)=
1x(-2)x(-1/2)x(-2)=
(-1)x(-2)x(-1/2)x(-2)=
(-1又11分之10)x(-2009)x0=
1x2x1/2x(-2)=
1x2x(-1/2)x(-2)=
1x(-2)x(-1/2)x(-2)=
(-1)x(-2)x(-1/2)x(-2)=
(-1又11分之10)x(-2009)x0=
![几道数学列示题1x2x1/2x(-2)=1x2x(-1/2)x(-2)=1x(-2)x(-1/2)x(-2)=(-1)x](/uploads/image/z/19085660-44-0.jpg?t=%E5%87%A0%E9%81%93%E6%95%B0%E5%AD%A6%E5%88%97%E7%A4%BA%E9%A2%981x2x1%2F2x%28-2%29%3D1x2x%28-1%2F2%29x%28-2%29%3D1x%28-2%29x%28-1%2F2%29x%28-2%29%3D%28-1%29x)
1 -2
2 2
3 -2
4 2
5 0
是这样吗?
2 2
3 -2
4 2
5 0
是这样吗?
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