苏教版五年级数学上册计算题竞赛.doc

五年级上册计算题竞赛（时间：60分钟）一.基本训练（44分）0.93 3.52.6 3.57 0.120.645-4.5= 0.10.01= 0.20.5= 6.3+3.7= 206.9= 13.845.8= 5.42.34= 1.258 23.70.01= 1.54= 5.10.17= 8.44.2=4.52= 3.40.4= 12.60.9= 21.08=1.20.04= 0.427= 6.88.6= 0.92.01= 8.9+0.11= 10.04= 1-0.01= 5.682.52.42.52.4 10.10.1 17.5(1.754) 240.25 72.811000100 23.70.01100= 1.50.03 1.20.51.20.5= 3.60.25=6.82.43= 2.42.5 0.81.25= 0.90.01 1.250.25= 6.007-5.98= 6.740.01=二、用竖式计算（带的要求结果保留两位小数）（16分）15.40.76 7.43.68 3.50.67 0.5283.231.70.63 1.70.48 82.80.24 435.5 三、脱式计算 ，能简算的要简算（40分） 0.8(12512.5) 0.252.44 4.972.465.585.28 0.83.981.25 12.52.53.2 6.3101 7.2997.2 1.52.26 8.5 0.650.40.1680.8 73.81.6413.85.36 1.258.8 9.33.10.559.35.73.6 0.2536 （8.253.75）2.5410.197 4.252.51011.7 5.95.90.99.628.50.28540 5.84.54.53.24.5