简便计算4.75+50*8*0.5-6.25
问题描述:
简便计算4.75+50*8*0.5-6.25
答
4.75+50*8*0.5-6.25
=4.75+50*4-6.25
=4.75+200-6.25
=4.75+193.75
=198.5