三道整式计算题(不需过程)1.(x^2+y^2)^2(x+y)^2(x-y)^2=()2.(x-1)[(x+1)^2-x]+(x+1)[(x-1)^2+x]=()3.(x^8+1)(x^4+1)(x^2+1)(x+1)(x-1)=()4.若x+y=10,xy=15,则x^2-y^2=()

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三道整式计算题(不需过程)1.(x^2+y^2)^2(x+y)^2(x-y)^2=()2.(x-1)[(x+1)^2-x]+(x+1)[(x-1)^2+x]=()3.(x^8+1)(x^4+1)(x^

三道整式计算题(不需过程)1.(x^2+y^2)^2(x+y)^2(x-y)^2=()2.(x-1)[(x+1)^2-x]+(x+1)[(x-1)^2+x]=()3.(x^8+1)(x^4+1)(x^2+1)(x+1)(x-1)=()4.若x+y=10,xy=15,则x^2-y^2=()
三道整式计算题(不需过程)
1.(x^2+y^2)^2(x+y)^2(x-y)^2=()
2.(x-1)[(x+1)^2-x]+(x+1)[(x-1)^2+x]=()
3.(x^8+1)(x^4+1)(x^2+1)(x+1)(x-1)=()
4.若x+y=10,xy=15,则x^2-y^2=()

三道整式计算题(不需过程)1.(x^2+y^2)^2(x+y)^2(x-y)^2=()2.(x-1)[(x+1)^2-x]+(x+1)[(x-1)^2+x]=()3.(x^8+1)(x^4+1)(x^2+1)(x+1)(x-1)=()4.若x+y=10,xy=15,则x^2-y^2=()
1.(x^2+y^2)^2(x+y)^2(x-y)^2=(x^8-2x^4y^4+y^8)
2.(x-1)[(x+1)^2-x]+(x+1)[(x-1)^2+x]=(2x^3)
3.(x^8+1)(x^4+1)(x^2+1)(x+1)(x-1)=(x^16-1)
4.若x+y=10,xy=15,则x^2-y^2=(+/-20根下10)

1.(x^4-y^4)^2
2.2x^3
3.x^16-1
4.20倍根号10