7.15×22=　   　；           90.75÷3.3=　   　；      3.68×0.25=　   　；      16.9÷0.1　   　；    
1.55÷3.9=　   　；         3.7×0.016=　   　；       13.76×0.8=　   　；          5.2×0.6=　   　；    
35.4×4.2=　   　；          10.75÷12.5=　   　；        0.042×0.54=　   　；       10.75÷12.5=　   　．