0.034*0.5*0.6 102*0.45 用简便运算
问题描述:
0.034*0.5*0.6 102*0.45 用简便运算
答
0.034*0.5*0.6
=0.034*0.3
=0.0102
102*0.45
=(100+2)*0.45
=45+0.9
=45.9