3.7*0.15 4.02怎样用简便方法做
问题描述:
3.7*0.15 4.02怎样用简便方法做
答
3.7*0.15+4.02
=0.555+4.02
=4.575
3.7*0.15 4.02怎样用简便方法做
3.7*0.15+4.02
=0.555+4.02
=4.575