五年级速算大赛测试题.doc

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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date五年级速算大赛测试题五年级速算大赛测试题小学数学五年级口算、速算竞赛试题 五3挑战计算极限,争当计算明星!加油 时间:40分钟 班级 姓名 一、直接写出得数(每题0.5分,共20分)口算（每题0.5分，共20分）3.20.5= 250.4= 12.50.8= 66.5= 3.60.7= 6.50.4= 8.50.2= 0.660.3=2.50.4= 7.70.8= 0

2、.01220= 4.60.4=30.09= 2.20.05= 4.10.6= 0.750.4=230.4= 0.32100= 5.52= 4.7310=023.5= 0.254= 7.20.5= 3.30.5=600.8= 3.40.6= 0.1258= 1350.51740 10063 3.21.68 2.80.4 147.4 0.654.35 420 3.5200 1.50.06 1.920.04 0.32500 105.4 二， 竖式计算5.40.36= 3.631.1= 1.2420= 4225= 2.20.11= 585.648= 19.442.7= 80.6425.6=18.61.

3、55= 2.0020.91= 12.60.8= 175.72.8= 3.843.2= 337.54.5= 4.481.6= 10.81.2=0.3961.2= 0.7560.36= 15.613= 0.1815= 0.02514= 3.0636= 0.040.12 3.842.6= 7.1522= 90.753.3= 3.680.2 = 16.90.13= 1.553.9= 3.70.016= 13.760.8= 5.20.6 = 8.41.3= 6.40.5 = 4.480.4= 5.255= 三、脱式计算。(每题1分,共30分)。 35.49.80.50.2 8.642.7+7.81.5

4、19.442.74.8 17512.51.4 631.43.6 3.91.40.35 37.6-1.50.24 71.43.50.16 1.36（2.8-0.08） 9.18（0.541.7）4.2 30.814(9.851.07) 60(9.528.9)0.18 2.8810.430.243.5 20(2.441.8)0.40.15 28-(3.4+1.252.4) 2.557.1+2.457.1 7779+11113 31.54(6+3) 0.815.5-(3.21+5.79) （31.8+3.24）5 22.5+2.52 0.64257.8+2.2 19464.81.80.9 36.724.259.9 51807056 242.42.50.8 (4121+2389)7 67115-974 46912+1492 405(3213-3189)四， 解方程（每题1分,共10分）8x-3x=105 x+5=7 2x+3=10 X-0.8X=6 12x+8x=4.8 7(x-2)=49 48+2x=36 (x-2)3=7 x5+9=21 40-8x=5-