作业帮5(x-y)^3*[-6/25(y-x)^3][-2/3(y-x^4]=
来源：学生作业帮助网 编辑：作业帮 时间：2024/12/02 03:54:21
![5(x-y)^3*[-6/25(y-x)^3][-2/3(y-x^4]=](/uploads/image/z/2756290-58-0.jpg?t=5%28x-y%29%5E3%2A%5B-6%2F25%28y-x%29%5E3%5D%5B-2%2F3%28y-x%5E4%5D%3D)
x)3ըЭԌ3֊572ըԭ buA8X["}PLMJB[RJs$LH4Z̋3H͂54/.H̳:y7~[SH݈{:h u
t
gbk 4 P]B
5(x-y)^3*[-6/25(y-x)^3][-2/3(y-x^4]=
5(x-y)^3*[-6/25(y-x)^3][-2/3(y-x^4]=
5(x-y)^3*[-6/25(y-x)^3][-2/3(y-x^4]=
5(x-y)^3*[-6/25(y-x)^3][-2/3(y-x)^4]
= 5(x-y)^3*[4/25(y-x)^7]
=(x-y)^3*{2/5[-(x-y)]^7}
=-2/5(x-y)^10
原式=5(Y-X）^3*(-6/25)(y-x)^3*(-2/3)(y-x)^4=4/5(y-x)^10