1.计算[过程]:3X^3·(-X)^5-X^5·(-X)^3+X·X^3·X^4
来源:学生作业帮 编辑:拍题作业网作业帮 分类:数学作业 时间:2024/05/07 04:21:27
1.计算[过程]:3X^3·(-X)^5-X^5·(-X)^3+X·X^3·X^4
2.(X-Y)^M·(X-Y)^N+2·(Y-X)^3
3.已知A^M+N=10,A^N=2,求A^M的值.
4.(-0.125)^2007·8^2008
5.(3又1/5)^8×(5/16)^8
2.(X-Y)^M·(X-Y)^N+2·(Y-X)^3
3.已知A^M+N=10,A^N=2,求A^M的值.
4.(-0.125)^2007·8^2008
5.(3又1/5)^8×(5/16)^8
1.计算[过程]:3X^3·(-X)^5-X^5·(-X)^3+X·X^3·X^4
=-3X^8+X^8+X^8
=-X^8
2,.(X-Y)^M·(X-Y)^N+2·(Y-X)^3
=(X-Y)^M+N+2*[-(X-Y)^3]
=-(X-Y)^M+N+5
3,A^M+N=A^M*A^N=10,
∴A^N=10/A^M=10/2=5
4,.(-0.125)^2007·8^2008 =-8*0.125^2007*8^2007
=-8(0.125*8)^2007
=-8
5'.(3又1/5)^8×(5/16)^8
=(16/5*5/16)^8
=1^8
=1
=-3X^8+X^8+X^8
=-X^8
2,.(X-Y)^M·(X-Y)^N+2·(Y-X)^3
=(X-Y)^M+N+2*[-(X-Y)^3]
=-(X-Y)^M+N+5
3,A^M+N=A^M*A^N=10,
∴A^N=10/A^M=10/2=5
4,.(-0.125)^2007·8^2008 =-8*0.125^2007*8^2007
=-8(0.125*8)^2007
=-8
5'.(3又1/5)^8×(5/16)^8
=(16/5*5/16)^8
=1^8
=1
1.计算[过程]:3X^3·(-X)^5-X^5·(-X)^3+X·X^3·X^4
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