早教吧作业答案频道 -->数学-->
化简:5(2x-7y)-3(4x-10y)3a^b-[4ab^-5(ab^+5/3a^b)-3/2ab^]-a^b
题目详情
化简:5(2x-7y)-3(4x-10y)
3a^b-[4ab^-5(ab^+5/3a^b)-3/2ab^]-a^b
3a^b-[4ab^-5(ab^+5/3a^b)-3/2ab^]-a^b
▼优质解答
答案和解析
5(2x-7y)-3(4x-10y)
=10x-35y-12x+30y
=-2x-5y
3a^b-[4ab^-5(ab^+5/3a^b)-3/2ab^]-a^b
=2a^b-(4ab^-5ab^-5/3a^b-3/2ab^)
=2a^b-(-5/2ab^-5/3a^b)
=11/3a^b+5/2ab^
=10x-35y-12x+30y
=-2x-5y
3a^b-[4ab^-5(ab^+5/3a^b)-3/2ab^]-a^b
=2a^b-(4ab^-5ab^-5/3a^b-3/2ab^)
=2a^b-(-5/2ab^-5/3a^b)
=11/3a^b+5/2ab^
看了化简:5(2x-7y)-3(4...的网友还看了以下: