1.55除以(0.5+15)怎么简便运算
问题描述:
1.55除以(0.5+15)怎么简便运算
答
1.55÷(0.5+15)
=1.55÷15.5
=(1.55x100)÷(15.5x100)
=155÷1550
=1÷10
= 0.1