小学数学北师大版四年级下册试卷五小数除法谁爬得快

小学数学北师大版四年级下册精品试卷是准爬得快4.8÷12=6.3÷0.9=24.6÷0.6=30÷40=0.8÷0.02=1÷0.01=7.5÷0.75=0.68÷0.34=53.8÷53.8=297