三道整式计算题(不需过程)
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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^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=()
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)](/uploads/image/z/18554682-66-2.jpg?t=%E4%B8%89%E9%81%93%E6%95%B4%E5%BC%8F%E8%AE%A1%E7%AE%97%E9%A2%98%EF%BC%88%E4%B8%8D%E9%9C%80%E8%BF%87%E7%A8%8B%EF%BC%89)
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)
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)