(-2x^4)^4+2x^10·(-2x^2)^3+2x^4·5(x^4)^3
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(-2x^4)^4+2x^10·(-2x^2)^3+2x^4·5(x^4)^3
求求大家了...
还有几个问题
(m-1)^5÷(1-x)^3
-(-x)²(-x³)(-x)³÷x^8(x≠0)
求求大家了...
还有几个问题
(m-1)^5÷(1-x)^3
-(-x)²(-x³)(-x)³÷x^8(x≠0)
(-2x^4)^4+2x^10·(-2x^2)^3+2x^4·5(x^4)^3
=16x^16+2x^10*(-8x^6)+10x^16
=16x^16-16x^16+10x^16
=10x^16
(m-1)^5÷(1-x)^3
=(m-1)^5*(1-x)^(-3)
-(-x)²(-x³)(-x)³÷x^8(x≠0)
=-x²*(-x³)*(-x³)*x^(-8)
=-x^(2+3+3)*x^(-8)
=-x^(8-8)
=-x^0
=-1
=16x^16+2x^10*(-8x^6)+10x^16
=16x^16-16x^16+10x^16
=10x^16
(m-1)^5÷(1-x)^3
=(m-1)^5*(1-x)^(-3)
-(-x)²(-x³)(-x)³÷x^8(x≠0)
=-x²*(-x³)*(-x³)*x^(-8)
=-x^(2+3+3)*x^(-8)
=-x^(8-8)
=-x^0
=-1
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
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