数学（简便运算）525/13.125/4/1.01*85.85=
2019-05-31
数学（简便运算）
525/13.125/4/1.01*85.85=
优质解答
525/13.125/4/1.01*85.85
=525/[13.125*4]/1.01*85.85
=525/52.5*[85.85/1.01]
=10*85
=850
525/13.125/4/1.01*85.85
=525/[13.125*4]/1.01*85.85
=525/52.5*[85.85/1.01]
=10*85
=850