化简(a-b)²÷(ax+by-ay-xy)-(a-b)÷(x-y)第2个括号里的是ax+by-ay-bx
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/18 17:38:22
x){3{:u4Ք
-oHNMԭ ITS[~O5kX{/{jy6c=\KRMR>96]Ά'ɶhZ5I *8=``8ԣPf`_\g
% ֫
化简(a-b)²÷(ax+by-ay-xy)-(a-b)÷(x-y)第2个括号里的是ax+by-ay-bx
化简(a-b)²÷(ax+by-ay-xy)-(a-b)÷(x-y)
第2个括号里的是ax+by-ay-bx
化简(a-b)²÷(ax+by-ay-xy)-(a-b)÷(x-y)第2个括号里的是ax+by-ay-bx
(a-b)²÷(ax+by-ay-xy)-(a-b)÷(x-y)
=(a-b)²÷[a(x-y)-b(x-y]-(a-b)÷(x-y)
=(a-b)²÷(x-y)(a-b)-(a-b)÷(x-y)
=(a-b)÷(x-y)-(a-b)÷(x-y)
=0