(x-y)的0次方除以(x-y)的负3次方除以(x-y)的负2次方

(x-y)的0次方除以(x-y)的负3次方除以(x-y)的负2次方
2025-01-19 19:31:13
推荐回答(1个)
回答1:

(x-y)的0次方除以(x-y)的负3次方除以(x-y)的负2次方
解:
原式=(x-y)^0÷(x-y)^(-3)÷(x-y)^(-2)
=1*(x-y)^3*(x-y)^2
=(x-y)^5