五年级数学速算比赛题.doc

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1、......一.口算2.4÷0.2=4.8÷0.6=9.6÷0.3=3.24÷24=3.24÷0.24=3.7×0.016=13.76×0.8=5.2×0.6=8.4×1.3=6.4×0.5=二.脱式计算(能简算的就简算)1.25×5×87.6×8＋2.4×832×125×2.50.4×0.7×0.252.78×8.8＋2.78×2.2三.竖式计算(除不尽的保留两位小数)0.56×0.8=4.8×11=1.07×2.4=12.6÷0.28=5.8×12=.下载可编辑.......一.口算4.48×0.4=5.25×5=35.4×4.2=0.042×0.54=0.76×0.3

2、2=3.24÷2.4=2.4÷2=48÷0.6=9.6÷0.3=0.24÷0.2=二.脱式计算(能简算的就简算)6.25÷0.25×668.04÷（0.21×3.6）19.75÷2.5-3.5517.5×2.3-7.5×2.31.25×11×4×0.8三.竖式计算(除不尽的保留两位小数)3.76×0.25=20.4÷24=1.8÷0.03=   .下载可编辑.......75÷2.5=  14.78÷0.66一.口算0.25×0.046=2.52×3.4=1.08×25=0.43×0.28=6.45×0.73=4.8÷6=0.96÷0.03=2.4÷0.2=4.8÷0.6=

3、9.6÷0.3=二.脱式计算(能简算的就简算)2.5×7.1×4      16.12×99＋16.12      5.2×0.9＋0.926×15.7＋15.7×247.28×99+7.28   .下载可编辑.......三.竖式计算(除不尽的保留两位小数)7.6×20.23×8.92.89×0.821.2×0.22125×0.08一.口算4.6×0.6=8.9×0.05=3.08×0.43=1.5×26.7=0.9×0.8=25.8÷6=22.8÷3=5.98÷0.23=19.76÷5.2=3.81÷7=二.脱式计算(能简算的就简算)4.3×50×0.2    64－2

4、.64×0.5(2.275＋0.625)×0.28 .下载可编辑.......  3.94+34.3×0.2       2.7×5.4×3.9 三.竖式计算(除不尽的保留两位小数)7.37×2.69×67.33.25×6.880.37×5.62.6×12一.口算0.32÷42=2.47÷1.3=2.17÷0.7=0.4÷0.01=1÷0.5=7.09×10.8=0.8×7.09=9.5×101=3.8×10.1=7.69×101=二.脱式计算(能简算的就简算).下载可编辑.......1.2×(9.6÷2.4)÷4.88.05×3.4+7.6 8.9×1.1×4.7   

5、   6.58×4.5×0.9   3.6×9.85-5.46 三.竖式计算(除不尽的保留两位小数)0.93×3.96.69×0.376×8.335.43×0.90.4×72一.口算0.96÷3=1.47÷0.7=5.4÷6=1.28÷0.4=78.下载可编辑.......÷0.6=9.5×99=13.5×0.98=0.2×0.26＝0.14×4＝0.02×0.1＝二.脱式计算(能简算的就简算)2.8×0.5+1.5832＋4.9－0.9      (1.25－0.125)×856.5×99＋56.5  4.8－4.8×0.5 三.竖式计算(除不尽的保留两位小数)8.32÷

6、4=5.92÷1.6=0.63÷0.15140.4÷18=9.18÷9=.下载可编辑.......一.口算1.2×0.3=0.2×0.4＝8.2＋1.8＝100－35.22＝2.3×4＝65÷0.05=54÷0.12=32÷0.4=36÷0.18=42÷0.003=二.脱式计算(能简算的就简算)4.8×100.1        4.85+0.35÷1.4      9.5×101 12.5×0.4×2.5×8    7.09×10.8－0.8×7.09三.竖式计算(除不尽的保留两位小数)243.2÷6.4=7÷0.28=0.138÷0.15=.下载可编辑.......216

7、÷2.7=6.4÷32=一.口算2.5×0.4＝2.4×5＝0.22×4＝3.25×0.5=3.99×0.1＝9.6÷3.2=78÷0.06=45÷0.005=81÷0.03=7.2÷0.002=二.脱式计算(能简算的就简算)0.87×3.16+4.64   0.68÷（5.2-3.5）×1.25         8.7×17.4-8.7×7.4 40.5÷0.81×0.18  4.8×（15÷2.4） 三.竖式计算(除不尽的保留两位小数)104÷0.52=75.6÷1.8=8.91÷0.27=.下载可编辑....