2.7除以4.5的简便运算
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2.7除以4.5的简便运算
2.7÷4.5
=(2.7×2)÷(4.5×2)
=5.4÷9
=0.6
2.7/4.5=27/45=3/5=0.6
2.7/4.5=9*0.3/(9*0.5)=3/5=0.6
2.7除以4.5的简便运算
2.7÷4.5
=(2.7×2)÷(4.5×2)
=5.4÷9
=0.6
2.7/4.5=27/45=3/5=0.6
2.7/4.5=9*0.3/(9*0.5)=3/5=0.6