直接写出下面各题的得数.
4.8÷0.8=7.5×0.4=5.7÷57=0.75÷15=1÷0.25=1.2×60=6÷0.2=0.21×4=0.62÷0.62-1=5+3.2÷0.8=7.5÷2.5×0=0.25×4×9=
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解:4.8÷0.8=6,7.5×0.4=3,5.7÷57=0.1,0.75÷15=0.051÷0.25=4,1.2×60=72,6÷0.2=30,0.21×4=0.84,0.62÷0.62-1=0,5+3.2÷0.8=9,7.5÷2.5×0=0,0.25×4×9=9.故