1.125÷0.09的简便运算

问题描述:

1.125÷0.09的简便运算

1.125÷0.09
=(1+0.125)÷0.09
=[1+(1 / 8)]÷0.09
=(9 / 8)÷0.09
=(9 / 8)÷(9 / 100)
=100 / 8
=25 / 2
=12.5