17÷0.25怎样简便计算9÷0.125
问题描述:
17÷0.25怎样简便计算
9÷0.125
答
看成17*4=68
看成9*8=72
答
17÷0.25=17*4=68
9÷0.125=9*8=72
答
17÷0.25
=17×1÷0.25
=17×4
=68
9÷0.125
=9×1÷0.125
=9×8
=72