(1)1/a+3-6/9-a^2(2)(a/a-b-b/b-a)*ab/a+b(3)(1/x-1-x+3/x^2-1)除以1/x-1(4)2^3*(-1/2)^2+(-3)^3除以(√3)^2+0.1^-1(5)2^-1+(-3.2)^0+√6除以√3-1/√2-1(6)5m(a+b)-(a+b)(7)(x^2Y-X^2Z)+(Y
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![(1)1/a+3-6/9-a^2(2)(a/a-b-b/b-a)*ab/a+b(3)(1/x-1-x+3/x^2-1)除以1/x-1(4)2^3*(-1/2)^2+(-3)^3除以(√3)^2+0.1^-1(5)2^-1+(-3.2)^0+√6除以√3-1/√2-1(6)5m(a+b)-(a+b)(7)(x^2Y-X^2Z)+(Y](/uploads/image/z/440163-27-3.jpg?t=%EF%BC%881%EF%BC%891%2Fa%2B3-6%2F9-a%5E2%EF%BC%882%EF%BC%89%EF%BC%88a%2Fa-b-b%2Fb-a%EF%BC%89%2Aab%2Fa%2Bb%EF%BC%883%EF%BC%89%EF%BC%881%2Fx-1-x%2B3%2Fx%5E2-1%EF%BC%89%E9%99%A4%E4%BB%A51%2Fx-1%EF%BC%884%EF%BC%892%5E3%2A%EF%BC%88-1%2F2%EF%BC%89%5E2%2B%EF%BC%88-3%EF%BC%89%5E3%E9%99%A4%E4%BB%A5%EF%BC%88%E2%88%9A3%EF%BC%89%5E2%2B0.1%5E-1%EF%BC%885%EF%BC%892%5E-1%2B%EF%BC%88-3.2%EF%BC%89%5E0%2B%E2%88%9A6%E9%99%A4%E4%BB%A5%E2%88%9A3-1%2F%E2%88%9A2-1%EF%BC%886%EF%BC%895m%EF%BC%88a%2Bb%EF%BC%89-%EF%BC%88a%2Bb%EF%BC%89%EF%BC%887%EF%BC%89%EF%BC%88x%5E2Y-X%5E2Z%EF%BC%89%2B%28Y)
(1)1/a+3-6/9-a^2(2)(a/a-b-b/b-a)*ab/a+b(3)(1/x-1-x+3/x^2-1)除以1/x-1(4)2^3*(-1/2)^2+(-3)^3除以(√3)^2+0.1^-1(5)2^-1+(-3.2)^0+√6除以√3-1/√2-1(6)5m(a+b)-(a+b)(7)(x^2Y-X^2Z)+(Y
(1)1/a+3-6/9-a^2
(2)(a/a-b-b/b-a)*ab/a+b
(3)(1/x-1-x+3/x^2-1)除以1/x-1
(4)2^3*(-1/2)^2+(-3)^3除以(√3)^2+0.1^-1
(5)2^-1+(-3.2)^0+√6除以√3-1/√2-1
(6)5m(a+b)-(a+b)
(7)(x^2Y-X^2Z)+(Y^2Z-Y^3)
(1)1/a+3-6/9-a^2(2)(a/a-b-b/b-a)*ab/a+b(3)(1/x-1-x+3/x^2-1)除以1/x-1(4)2^3*(-1/2)^2+(-3)^3除以(√3)^2+0.1^-1(5)2^-1+(-3.2)^0+√6除以√3-1/√2-1(6)5m(a+b)-(a+b)(7)(x^2Y-X^2Z)+(Y
1.=1/a-a^2+7/3
2.=(1-b-1-a)*b+b=-(a+b)b+b=-ab-b^2+b
3.=(1/x-1-x+3/x^2-1)x-1=1-2x-x^2-3/x
4.=8/4-27/3+10=2-9+10=3
5.=1/2+0+1/√2-1/√2-1=-0.5
6.(5m-1)(a+b)
7.=x^2(y-z)+y^2(z-y)=(y-z)(x+y)(x-y)
希望你下回作业要自己完成O(∩_∩)O~