-(5a+b)-3(2a-3b)=
问题描述:
-(5a+b)-3(2a-3b)=
答
-(5a+b)-3(2a-3b)
=-5a-b-6a+9b
=-11a+8b
-(5a+b)-3(2a-3b)=
-(5a+b)-3(2a-3b)
=-5a-b-6a+9b
=-11a+8b