【人教版】五年级上册数学试题-计算题知识竞赛题.doc

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1、小学数学五年级（上）计算题知识竞赛班级：姓名：评分：一：用竖式计算5.4×6.1=2.15×0.17=3.7×0.58=1.45×0.12=43.5÷0.12=1.016÷0.08=51÷0.16=0.036÷2.5=62.5-36.8=3.84+38.4=5-1.65=0.0.6×0.52=二：用竖式计算（得数保留两位小数）29.6÷0.216.72÷3.70.32×9.078.73×0.4828÷1811.04÷171.7÷80.09×0.560.91÷0.32.84÷0.2611÷80.762÷1.3三：求未知数x1.908÷x=0

2、.723.75–x=0.45x÷8.05=2.360.954÷x=0.36x×13=11.05x+0.87=6.25x–0.39=1.25x÷0.92=464.01–x=0.87四：用脱式计算下面各题13.5÷0.27×23.82×0.9÷0.185.04÷（3×0.12）32.4-0.75×1.2+4.1（0.69+0.11）×（0.8-0.16）3.8×1.4+18.6÷0.748.72÷（0.97+1.43）×0.150.7×（21.11+15.3）÷421.63-15.7×0.9360.45-360.45÷8.9×2.781.99

3、÷0.9×（1-0.83）32.4+17.6÷1.67.6-0.3×3.5-0.83.28+17.5÷3.5×1.620.63×（1.3-8.24÷8）（15.6+15.6×99）÷13[8.9+8.9×（8.9-8.9）]÷8.912-[（5.7+1.9）×（4.8-3.8）]五：用简便方法计算下面各题9÷0.25÷4630÷5÷67.2÷3.28.4÷3.50.15×12.5×2×0.0817.6×0.1+0.9×17.65.6÷3519.8÷3.34.2÷0.7÷64.9÷0.7÷73.7×0.5×2（0.4+8）×0.1251.2

4、5×8.80.25×3212.6÷187.59÷0.125÷80.58÷0.8+0.42÷0.8（0.48+0.54）÷67.23+7.23×9911.75×34.2+8.25×3.428.26-2.15-3.65-0.20.25×0.5×1.25×64