199又1/197÷198的简便方法?
199又1/197÷198的简便方法?
日期:2021-10-27 08:26:17 人气:1
简便计算
199又1/197÷198
=(198+1又1/197)÷198
=(198+198/197)÷198
=198÷198+198/197÷198
=1+1/197
=1又1/197
199又1/197÷198
=(198+1又1/197)÷198
=(198+198/197)÷198
=198÷198+198/197÷198
=1+1/197
=1又1/197