1.25:2=(1.25×8):(2×8),這是根據(jù)
比的基本性質(zhì)
比的基本性質(zhì)
分析:根據(jù)比的基本性質(zhì),知道比的前項和后項同時乘或除以同一個數(shù)(0除外),比值不變;據(jù)此解答.
解答:解:1.25:2=(1.25×8):(2×8),這是根據(jù)比的基本性質(zhì).
故答案為:比的基本性質(zhì).
點評:本題主要考查了比的基本性質(zhì)的運用.
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