看图列式计算： ．
已知376×15﹦5640，那么5640÷15﹦ ，5640÷376﹦ ．
除以2.7的商是0.08．
× =÷ =1× = ﹣=1．
÷ =× =0.2× =0.5： =1．
1× = ﹣2= ×2.1=1．
× =
× = ﹣
÷ =
× =0.2× =0.5： =1．
× = ﹣2
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