五下口算练习1苏教版.doc

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1、五年级第二学期口算练习（一）五（）班姓名2+2.4=0.1+70=7-0.5=40-0.2=14+0.38=7-5.2=9-8.1=22+0.22=14-4.3=38+0.51=27-0.1=1-0.5=1-0.11=7-3.2=2.3+15=50-0.5=72+7.2=80+0.2=5-4.9=38+0.38=0.23×100=0.24×10=3.4×10=5.1×100=10×1.6=0.018×100=0.95×100=10×6.1=1000×0.003=10×0.65=2.3×1000=0.25×100=1.2×2=2.3×3=0.4×9=2.1×4=0.3×7=0.23×5=0.2

2、4×50=0.25×4=3.6÷12=4.86-3.25=0.1+1.1=3.5-0.3=7.3+4=0.36÷0.3=0.36÷2=1.2÷6=0.4÷0.8=5.6÷4=7.7÷7=0.4×0.4=3.05+2.22=3.8+2.4=10-2.8=54-0.21=5.1-1.48=9.6-6=0.17×3=0.51÷0.3=2×0.25=0.33÷1.1=8×0.02=0.7÷0.1=0.7×10=4×0.21=9.1-3.7=8+3.4=4÷5=0.99÷0.3=12.7-8.4=4.8÷0.04=2×0.05=7÷0.7=0.8×0.9=250×0.4=7.2÷2=3×0.33=0.

3、2×4.2=7.7÷0.77=10-7.8=3.1+0.13=8.4-0.61=0.16+0.61=7.3+0.3=1.5+20=5.7-0.7=3.8+1.1=0.78-0.58=0.69-0.35=8.1÷3=0.5×0.2=0.78-0.58=0.12+10=5.5-3.38=7.8÷1.3=0.24÷0.06=2.4+0.24=0.72÷0.18=8.3-3.5=