口算0.36÷9=3.97-2.45=16×25=5.2+3.8=8.282÷8.2=10-0.87=4.3+1.8=18.9-9.8=0.8÷0.1=0.3+0.36=1.14×0.2=7.8÷3=0.8×15=0.125×8=4-1.08=9×1.8=1.2×8=7.82+1.18=30.5÷2=1.8×0.2=0.75÷30=0.25×3=4.8+1.2=0.5×48=0.7×7=1.1×9=25×0.8=3.2×5=3×1.2=2.04
口算0.36÷9=3.97-2.45=16×25=5.2+3.8=8.282÷8.2=10-0.87=4.3+1.8=18.9-9.8=0.8÷0.1=0.3+0.36=1.14×0.2=7.8÷3=0.8×15=0.125×8=4-1.08=9×1.8=1.2×8=7.82+1.18=30.5÷2=1.8×0.2=0.75÷30=0.25×3=4.8+1.2=0.5×48=0.7×7=1.1×9=25×0.8=3.2×5=3×1.2=2.04×4=0.72+2.8=0×3.97=0.13×80=18×30=50×4.1=0.125×2=6×0.75=1.01-0.89=9.767×0=0.02×0.3=3.9÷5=1÷0.125=70÷5=0÷9.126=0.72=16.5÷0.15=7÷1.4=1.21÷11=0.84÷0.42=0.7×0.9=0.3×400=5.1÷0.3=8.3+1.7=4.9÷0.7=0.3+0.3+0.3=0.81÷0.9×5=(0.9+8.1)×5=0.32=9.3÷(4.2-1.1)=1.7×0.6÷1.7=