18.27÷6.5+18.27÷3.5简算
问题描述:
18.27÷6.5+18.27÷3.5简算
答
18.27÷6.5+18.27÷3.5
=18.27×(1/6.5+1/3.5)
=18.27×(6.5+3.5)÷(6.5×3.5)
=182.7÷3.5÷6.5
=52.2÷6.5
=522/65
谈不上简便.