(1)(6m³n)×(-2mn)÷(4mn²)(2)(4x²y-2x³)÷(-2x)²(3)(4x²y-2x³)÷(-2x)²(4)(1/2)的0次方×3的-2次方(5)x²×x³+x的7次方÷x²(6)[(x-y²+(x+y)(x-y)]÷2x

问题描述:

(1)(6m³n)×(-2mn)÷(4mn²)
(2)(4x²y-2x³)÷(-2x)²
(3)(4x²y-2x³)÷(-2x)²
(4)(1/2)的0次方×3的-2次方
(5)x²×x³+x的7次方÷x²
(6)[(x-y²+(x+y)(x-y)]÷2x