2.14+0.39÷1.3
=2.14+0.3
=2.44
100-123.1×0.3
=100-12.31*3
=100-36.93
=63.07
2.1×5.5
=2.1*5*1.1
=10.5*1.1
=11.55
簡便計(jì)算
簡便計(jì)算
2.14+0.39÷1.3 100-123.1×0.3 2.1×5.5
怎樣簡便就怎樣計(jì)算
2.14+0.39÷1.3 100-123.1×0.3 2.1×5.5
怎樣簡便就怎樣計(jì)算
數(shù)學(xué)人氣：976 ℃時(shí)間：2020-03-27 23:17:38
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