计算题求过程,好的追加1.[-2(x-y)^2]^2*(y-x)^3 2.(2+1/4*10^2)*(25*10^3)^2*(-2*10^10)^2计算题求过程,好的追加1.[-2(x-y)^2]^2*(y-x)^32.(2+1/4*10^2)*(25*10^3)^2*(-2*10^10)^23.(2a^2 b^3
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![计算题求过程,好的追加1.[-2(x-y)^2]^2*(y-x)^3 2.(2+1/4*10^2)*(25*10^3)^2*(-2*10^10)^2计算题求过程,好的追加1.[-2(x-y)^2]^2*(y-x)^32.(2+1/4*10^2)*(25*10^3)^2*(-2*10^10)^23.(2a^2 b^3](/uploads/image/z/10172705-41-5.jpg?t=%E8%AE%A1%E7%AE%97%E9%A2%98%E6%B1%82%E8%BF%87%E7%A8%8B%2C%E5%A5%BD%E7%9A%84%E8%BF%BD%E5%8A%A01.%EF%BC%BB-2%EF%BC%88x-y%EF%BC%89%5E2%EF%BC%BD%5E2%2A%EF%BC%88y-x%EF%BC%89%5E3+2.%EF%BC%882%2B1%2F4%2A10%5E2%EF%BC%89%2A%EF%BC%8825%2A10%5E3%EF%BC%89%5E2%2A%EF%BC%88-2%2A10%5E10%EF%BC%89%5E2%E8%AE%A1%E7%AE%97%E9%A2%98%E6%B1%82%E8%BF%87%E7%A8%8B%2C%E5%A5%BD%E7%9A%84%E8%BF%BD%E5%8A%A01.%EF%BC%BB-2%EF%BC%88x-y%EF%BC%89%5E2%EF%BC%BD%5E2%2A%EF%BC%88y-x%EF%BC%89%5E32.%EF%BC%882%2B1%2F4%2A10%5E2%EF%BC%89%2A%EF%BC%8825%2A10%5E3%EF%BC%89%5E2%2A%EF%BC%88-2%2A10%5E10%EF%BC%89%5E23.%EF%BC%882a%5E2+b%5E3)
计算题求过程,好的追加1.[-2(x-y)^2]^2*(y-x)^3 2.(2+1/4*10^2)*(25*10^3)^2*(-2*10^10)^2计算题求过程,好的追加1.[-2(x-y)^2]^2*(y-x)^32.(2+1/4*10^2)*(25*10^3)^2*(-2*10^10)^23.(2a^2 b^3
计算题求过程,好的追加1.[-2(x-y)^2]^2*(y-x)^3 2.(2+1/4*10^2)*(25*10^3)^2*(-2*10^10)^2
计算题求过程,好的追加1.[-2(x-y)^2]^2*(y-x)^3
2.(2+1/4*10^2)*(25*10^3)^2*(-2*10^10)^2
3.(2a^2 b^3)^3*(-3a^2 b)^2*1/72abc
4.(2x+3y)(3x-5y)-(x+y)(6x-7y)
计算题求过程,好的追加1.[-2(x-y)^2]^2*(y-x)^3 2.(2+1/4*10^2)*(25*10^3)^2*(-2*10^10)^2计算题求过程,好的追加1.[-2(x-y)^2]^2*(y-x)^32.(2+1/4*10^2)*(25*10^3)^2*(-2*10^10)^23.(2a^2 b^3
[-2(x-y)^2]^2*(y-x)^3
=4(y-x)^4*(x-y)^3
=4(y-x)^7
(2+1/4*10^2)*(25*10^3)^2*(-2*10^10)^2
抄错了吧
(2a^2 b^3)^3*(-3a^2 b)^2*1/72abc
=8a^6b^9*9a^4b^2*1/72abc
=a^11 b^12 c
(2x+3y)(3x-5y)-(x+y)(6x-7y)
=6x²-xy-15y²-6x²+xy+7y²
=-8y²