小学五年级上册数学口算竞赛题(共5页).docx

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1、精选优质文档-倾情为你奉上小学五年级上册数学口算竞赛题660+40= 8x500= 400x9= 30050=2406= 2x25= 8.84= 0.3+0.07=0.430.3= 0.650.25= 4.5+0.5= 6+3.4=0.820.42= 0.80.5= 3.43.1= 9.26=0.730.23= 2+2.8= 3.6+2.4= 2.5+3.2=9.84.8= 1.7+0.4= 0.25+0.75= 1 x 0.6=0.4x3= 8x0.9= 2x0.07= 12.44=400+60= 6x1.5= 3.74x10= 10x0.6=7.210= 100x0.18= 0.05x10

2、00= 100x2.1=56.310= 0.03x10= 16.5100= 8.4100=0.1258= 91000= 41100= 0.5x5=1.23= 0.24x3= 4.52.5= 20x0.4=0.36+6= 7.210= 710= 100x0.39=0.7x7= 35100= 1.1x10= 0.2x0.4=0.24x2= 0.6x5= 2.6+2= 262=0.497= 0.75+0.25= 0.490.7= 0.4+0.6=0.24 x 10= 0.2410= 40 x 70= 6100=363= 10058= 0.4x5= 764=34x2= 4x0.5= 6300900=

3、35007=0.7x8= 0.250.25= 0.65+0.35= 1.40.4=0.13x4= 102= 0.207x100= 49100=0.3+0.7= 0.10.01= 0.2x4= 100x0.6=3.510= 0.21+3= 4.7+2.3= 4.52= 6.52.5= 80.25= 250.4= 6.22=1.45= 0.75100= 20.5= 3.6+0.3= 6.3+7= 1.55= 1258= 1.80.3= 0.6+2= 5.6-2.8= 30.4= 140.7= 7.23.6= 5.4+0.4= 3.6+6= 80.4=7.2+12.8= 46.76.7= 1244=

4、 86510= 4951000= 6.951= 0.5-0.4= 9.651= 0.325100= 2.510= 3.310= 0.254= 1.60.8= 01.7= 90-9= 5406= 7424= 1608= 87.2= 9.6-6= 4.55= 1.5 x 10= 23100= 320100= 5.70.7=3.6 x1.33.6 2.70.72.7 0.8 x1.50.85.60.75.6 2.7 x 0.72.7 3.961.13.96 2.10.92.1 2.6x1.32.6 1.4 x0.81.41.6 x1.31.6 0.63 x0.80.63 0.85 x1.30.852

5、.070.92.07 2.6 x1.32.6 3.961.13.961.140.951.14专心-专注-专业一、列竖式计算，带的要验算。(每题5分，共50分)8 + 3.03= 0.63+1.5= 184.5= 8.65.74= 1.0524= 86.2428= 0.190.25= 31.70.63 (得数保留一位小数) 90.45= 7.542.8 (得数保留两位小数) 二、脱式计算。(每题5分，共10分)60.9+9.1 （4.2-3.5） 3.8(0.7+0.34) 三、下面各题，怎么算简便就怎么算。(每题5分，共40分)7.4 0.1250.8 0.730.254 7.40.8+0.27.4 14.6 -（4.6+3.79） 4.8 10.1 8.53 + 68.53 + 6 0.6799 + 0.67 6.7 + 1.56.76