(1又1/2-0.375)/〔1/25*(2/5+2.1)〕
3个回答
(1又1/2-0.375)/〔1/25*(2/5+2.1)〕
=(1.5-0.375)/(1/25*2.5)
=1.125/0.1
=11.25
相关问题
1+(1*0.5)=1.5 1.5+(1.5*0.5)=2.25 2.25+(2.25*0.5)=3.375.以此类推.
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