+5x(-1+y)怎么去括号?

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+5x(-1+y)怎么去括号?+5x(-1+y)怎么去括号?+5x(-1+y)怎么去括号?5xy-5x啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦将5x代入得(5

+5x(-1+y)怎么去括号?
+5x(-1+y)怎么去括号?

+5x(-1+y)怎么去括号?
5xy-5x 啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦

将5x代入得(5xy-5x)