1.计算[过程]:3X^3·（-X)^5-X^5·（-X）^3+X·X^3·X^42.(X-Y)^M·（X-Y）^N+2·（Y-X）^33.已知A^M+N=10,A^N=2,求A^M的值.4.(-0.125)^2007·8^20085.(3又1/5)^8×(5/16)^8

来源：学生作业帮助网编辑：作业帮时间：2024/11/16 04:29:15

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1.计算[过程]:3X^3·（-X)^5-X^5·（-X）^3+X·X^3·X^42.(X-Y)^M·（X-Y）^N+2·（Y-X）^33.已知A^M+N=10,A^N=2,求A^M的值.4.(-0.125)^2007·8^20085.(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
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^42.(X-Y)^M·（X-Y）^N+2·（Y-X）^33.已知A^M+N=10,A^N=2,求A^M的值.4.(-0.125)^2007·8^20085.(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

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1.计算[过程]:3X^3·（-X)^5-X^5·（-X）^3+X·X^3·X^4
=3x^3*(-x^5)-x^5*(-x^3)+x^8
=-3x^8+x^8+x^8
=-x^8
2.(X-Y)^M·（X-Y）^N+2·（Y-X）^3
=(x-y)^m*(x-y)^(n+2)*[-(x-y)^3]
=-(x-y)^(m+n+2+3)
=-(x-y)^(m+n+5)
3.已知A^M+N=10,A^N=2,求A^M的值.
A^(M+N)=A^M*A^N=A^M*2=10
A^M=10/2=5
4.(-0.125)^2007·8^2008
=(-1/8)^2007*8^2008
=-(1/8)^2007*8^2007*8
=-(1/8*8)^2007*8
=-8
5.(3又1/5)^8×(5/16)^8
=(16/5)^8*(5/16)^8
=(16/5*5/16)^8
=1

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1.3X^3·（-X)^5-X^5·（-X）^3+X·X^3·X^4
=3x^3*(-x^5)-x^5*(-x^3)+x^8
=-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...

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1.3X^3·（-X)^5-X^5·（-X）^3+X·X^3·X^4
=3x^3*(-x^5)-x^5*(-x^3)+x^8
=-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

收起

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/...

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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
1.计算[过程]:3X^3·（-X)^5-X^5·（-X）^3+X·X^3·X^4
=3x^3*(-x^5)-x^5*(-x^3)+x^8
=-3x^8+x^8+x^8
=-x^8
2.(X-Y)^M·（X-Y）^N+2·（Y-X）^3
=(x-y)^m*(x-y)^(n+2)*[-(x-y)^3]
=-(x-y)^(m+n+2+3)
=-(x-y)^(m+n+5)
3.已知A^M+N=10,A^N=2,求A^M的值.
A^(M+N)=A^M*A^N=A^M*2=10
A^M=10/2=5
4.(-0.125)^2007·8^2008
=(-1/8)^2007*8^2008
=-(1/8)^2007*8^2007*8
=-(1/8*8)^2007*8
=-8
5.(3又1/5)^8×(5/16)^8
=(16/5)^8*(5/16)^8
=(16/5*5/16)^8
=1
1.3X^3·（-X)^5-X^5·（-X）^3+X·X^3·X^4
=3x^3*(-x^5)-x^5*(-x^3)+x^8
=-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

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