(x-y)^5除以(y-x)^3等于几

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 02:34:49
(x-y)^5除以(y-x)^3等于几

(x-y)^5除以(y-x)^3等于几
(x-y)^5除以(y-x)^3等于几

(x-y)^5除以(y-x)^3等于几
= [-(y-x)]^5÷(y-x)^3
= --(y-x)^5÷(y-x)^3
= -(y-x)^(5-3)
= -(y-x)²