3.75*735-3/8*5750+16.2*62.5简便运算.
问题描述:
3.75*735-3/8*5750+16.2*62.5简便运算.
答
30/8 62.5=50/8
原式=1/8*30*735-1/8*5750+1/8*500*16.2
=1/8*(30*735-5750+8100)
=1/8*24400
=3050