63除于0.14除于3.6等于几 简便 简便!
问题描述:
63除于0.14除于3.6等于几 简便 简便!
答
63÷0.14÷3.6
=63÷7÷0.02÷9÷0.4
=63÷7÷9÷0.02÷0.4
=1÷(0.02x0.4)
=125