作业帮(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）]÷2
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/20 16:36:55
![(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）]÷2](/uploads/image/z/10226690-26-0.jpg?t=%281%29%286m%26%23179%3Bn%29%C3%97%28-2mn%29%C3%B7%284mn%26%23178%3B%29%282%29%284x%26%23178%3By-2x%26%23179%3B%29%C3%B7%EF%BC%88-2x%EF%BC%89%26%23178%3B%EF%BC%883%EF%BC%89%EF%BC%884x%26%23178%3By-2x%26%23179%3B%EF%BC%89%C3%B7%EF%BC%88-2x%EF%BC%89%26%23178%3B%EF%BC%884%EF%BC%89%EF%BC%881%2F2%EF%BC%89%E7%9A%840%E6%AC%A1%E6%96%B9%C3%973%E7%9A%84-2%E6%AC%A1%E6%96%B9%EF%BC%885%EF%BC%89x%26%23178%3B%C3%97x%26%23179%3B%2Bx%E7%9A%847%E6%AC%A1%E6%96%B9%C3%B7x%26%23178%3B%EF%BC%886%EF%BC%89%5B%EF%BC%88x-y%26%23178%3B%2B%EF%BC%88x%2By%EF%BC%89%EF%BC%88x-y%EF%BC%89%5D%C3%B72)
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(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）]÷2
(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
(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）]÷2
(1)(6m³n)×(-2mn)÷(4mn²)
=-3m^(3+1-1)n^1+1-2)
=-3m³
(2)(4x²y-2x³)÷（-2x）²
=(4x²y-2x³)÷（4x²)
=y-1/2 x
（3）（4x²y-2x³）÷（-2x）²
=(4x²y-2x³)÷（4x²)
=y-1/2 x
（4）（1/2）的0次方×3的-2次方
=1×1/9
=1/9
（5）x²×x³+x的7次方÷x²
=x^5+x^5
=2x^5
（6）[（x-y)²+（x+y）（x-y）]÷2x
=(x²-2xy+y²+x²-y²)÷2x
=(2x²-2xy)÷2x
=x-y