问题 解答题 心算.30×0.6=3×0.32=1÷0.25=4.2÷0.7=0.36÷2=15×6=0.72÷0.09=0.12×5=30.6÷3= 答案 30×0.6=183×0.32=0.961÷0.25=44.2÷0.7=60.36÷2=0.1815×6=900.72÷0.09=80.12×5=0.630.6÷3=10.2