五年级上册口算竞赛试题

梧州市泗洲小学五年级上册口算竞赛试题（共150题，10分钟完成）班级_ 姓名_ 成绩_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=0.05x1000=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=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= 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 2.70.72.70.8 x1.50.85.60.75.62.7 x 0.72.7 3.961.13.96 2.10.92.12.6x1.32.6 1.4 x0.81.41.6 x1.31.60.63 x0.80.630.85 x1.30.852.070.92.072.6 x1.32.63.961.13.961.140.951.14 梧州市泗洲小学五年级上册计算竞赛试题（10分钟完成）班级_ 姓名_ 成绩_ 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 0.730.2547.40.8+0