1.125÷0.09的简便运算

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1.125÷0.09的简便运算

1.125÷0.09的简便运算
1.125÷0.09的简便运算

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

9/8/(9/100)=100/8=12.5

=(1.125/9)/(0.09/9)
=0.125/0.01
=0.125*100
=12.5