计算(a-b)^2 ×(b-a)^2n÷(a-b)^2n-1÷(b-a)^5 .两道!1. (a-b)^2 ×(b-a)^2n÷(a-b)^2n-1÷(b-a)^52. (1/3-1/2)×|-6|÷2^-2÷(-1/2)^-3+(2012÷π)^0

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计算(a-b)^2×(b-a)^2n÷(a-b)^2n-1÷(b-a)^5.两道!1.(a-b)^2×(b-a)^2n÷(a-b)^2n-1÷(b-a)^52.(1/3-1/2)×|-6|÷2^-2÷

计算(a-b)^2 ×(b-a)^2n÷(a-b)^2n-1÷(b-a)^5 .两道!1. (a-b)^2 ×(b-a)^2n÷(a-b)^2n-1÷(b-a)^52. (1/3-1/2)×|-6|÷2^-2÷(-1/2)^-3+(2012÷π)^0
计算(a-b)^2 ×(b-a)^2n÷(a-b)^2n-1÷(b-a)^5 .两道!
1. (a-b)^2 ×(b-a)^2n÷(a-b)^2n-1÷(b-a)^5
2. (1/3-1/2)×|-6|÷2^-2÷(-1/2)^-3+(2012÷π)^0

计算(a-b)^2 ×(b-a)^2n÷(a-b)^2n-1÷(b-a)^5 .两道!1. (a-b)^2 ×(b-a)^2n÷(a-b)^2n-1÷(b-a)^52. (1/3-1/2)×|-6|÷2^-2÷(-1/2)^-3+(2012÷π)^0
1.(a-b)^2 ×(b-a)^2n÷(a-b)^2n-1÷(b-a)^5
=-(a-b)^(2+2n-2n+1-5)
=-(a-b)^-2
=-1/(a-b)²
2.(1/3-1/2)×|-6|÷2^-2÷(-1/2)^-3+(2012÷π)^0
=(-1/6)×24+1/4+1
=-3+1/4
=-11/4