小学五年级数学口算题库
一、口算(100道)
2.5×2= 0.5×10= 0.6×8= 2.1×2= 2.8×10= 0.7×0.8= 0.04×20= 5.6+0.4=
4.7+2.3= 4.5×2= 6.9-2.5= 7.2×0.8= 6×3.4= 0.62-0.32= 1.4×0.5= 0.75×100= 0.02×0.5= 3.6×0.3= 0.75÷0.25= 0.125×8= 0.56÷28= 0.36÷0.4= 3.6÷24= 0.8×1.1= 7.2+12.8= 46.712.8÷4= 5.2÷13= 10÷20= 24÷15= 3.08×0.01= 4.95×1000= 2.4÷0.8= 10.8÷9= 4.95÷0.9= 9.65÷0.1= 0. 56÷0.7= 0.125×4= 7.2×0.1= 0.01×0.1= 1÷2.5= 1.25×0.8= 0.22×102= 9.6÷0.8= 3.9÷0.13 16.5÷0.5= 4.8×0.5= 2.8+4.2= 7.8÷0.01= 5.4÷0.6= 0.56÷0.8= 7.4-2.8= 4.5×0.02= 8+7.2= 7.3×0.3= 0÷6= 2÷5= 4.5+5= 10.5×0.4= 7.3+0.27= 二、估算(40道)
1、482÷62 628÷72 40÷2= 60×6= 14×6= 700-300= 51-3= 21÷7= 18+16= 80+120= 5×60= 36-12= 120-20= 20+180= 200×4= 16×5= 40÷2= 40÷2= 40-25= 50+3= 660-600= 50+50= 600×8= 30+6= 5+17= 480-80= 6000÷6=
6.3÷7= 4.8÷0.3= 0.64÷0.8= 12.5÷5= 1.64+4.1= 8.65×10= 6.9×0.1= 9.6÷0.8= 0.325×100= 3.28×0.1= 0.25×0.4= 3.2÷0.04= 5×0.24= 4.55×0.12= 0.84÷2.1= 3.2÷5= 0.18÷0.2= 1.2×30= 3.6÷0.12 0.3÷0.6= 8×0.125= 5580÷79 900÷9= 600×8= 15×2= 16÷2= 39÷3= 21÷7= 27+36= 20-20= 60÷3= 130×3= 5.6×100= 0.86÷2= 0.7×9= -3.8= 0.35×0.6= 0.4×0.5= 0.108÷2= 2.5×8= 3.9÷0.13= 1.6÷0.8= 0÷1.7= -0.05= 24×0.5= 5÷0.25= 7×0.62= 0.16÷8= 0.012×0.2= 7.8÷0.6= 0.96÷0.2= 0.54÷0.6=
4185÷620 21÷7= 12×8= 40÷2= 800×3= 28+2= 78-28= 50-25= 20-14= 120-20=
免责声明:以上内容源自网络,仅供学习参考,版权归原作者所有。