3.75*7.2+63.5*0.72-0.01*72
问题描述:
3.75*7.2+63.5*0.72-0.01*72
答
3.75*7.2+63.5*0.72-0.01*72
=3.75*7.2+6.35*7.2-0.1*7.2
=7.2*(3.75+6.35-0.1)
=7.2*10
=72