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计算 急!
(1)m-15/m^2-9-2/3-m(2)1/2x-1/x+y(x^2-y^2+x+y/2x(3)1/2x+2-x/x^2-1+1/x-1(4)a-3/2a-4/(5/...
(1)m-15/m^2-9-2/3-m
(2)1/2x-1/x+y(x^2-y^2+x+y/2x
(3)1/2x+2-x/x^2-1+1/x-1
(4)a-3/2a-4/(5/a-2 -a-2) 展开
(2)1/2x-1/x+y(x^2-y^2+x+y/2x
(3)1/2x+2-x/x^2-1+1/x-1
(4)a-3/2a-4/(5/a-2 -a-2) 展开
1个回答
展开全部
算什么?化简吗?
1。-29/3 - 15/m^2
2。x^2 y - y^3 + x (1/2 + y) + (-2 + y^2)/(2 x)
3。x/2
4。a (-(1/2) + 4/(-5 + 4 a + a^2))
1。-29/3 - 15/m^2
2。x^2 y - y^3 + x (1/2 + y) + (-2 + y^2)/(2 x)
3。x/2
4。a (-(1/2) + 4/(-5 + 4 a + a^2))
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