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1、精品文档 仅供参考 学习与交流人教版小学五年级上册数学口算试题全套【精品文档】第 7 页五年级上册口算题21、用简便记法表示下列循环小数。 31.4435.133390.1212126.0899975.00101011.3093093098.812812795.79579579572.0720721.366366 2、把下面的循环小数分别保留两位小数。3.1515152.4695.8071.6665.09097.899.72.90909.88.405 3、下面哪些数是循环小数?在()里画0.555()1.6565() 0.1919()3.24372()0.32424()2.886()4计算下面
2、各题,商是有限小数的画,商是无限小数的画并将下列结果保留两位小数。 113() 1.4257()38698()7.46() 84.59()323.6() 49()57()7.012() 3.81.5()5、在 里填上“” “” 或 “”。1.731.74 1.3121.31 7.09 7.09 0.563 0.563 1.3091.309309309 1.131.131 7.97.99 6.08996.089 10.0110.0110100.854540.8546、把下列算式组成一个综合算式。2.80.214 3.6-1.8=1.8 0.420=8 9.331=0.3 18-14=4 10.8
3、1.8=6 0.968=0.12 4.5+0.3=4.85.6-4.80.8 0.360.3=1.2 3.5+4.5=8 200.9=18 0.30.8=0.24 1.24=0.3 80.5=16 180.3=607、 (0.44+0.4 ) 0.84= 1.230.10.01 0.48+0.120.5 2.22-31.515(0.25+0.15)(3.43+2.99)2 0.33113 2.10.70.338、10.250.1 45 0.6 3.60.93 0.10.250.4 7.27.26 4.22.87 12.336.9 (10.35)0.39、1.2(200.3)2.790.25 1
4、.2589.9 3.3325.66 3.4170.11 0.30.40.8 0.33113 270.56 1(7.55.5) 10.128 2.10.70.33 (10.35)0.3(3.56.5)0.1 7.27.26 1.2589.7 1(0.80.2)0.120.120.1 85.60.70.040.120.5 2.12.87 3.70.40.5 100.018 0.90.52 15(0.250.15)5.492.1 (3.432.99)2 6.50.91.992.2231.5 0.341.213 0.4(9.91.1)10脱式计算: 3.60.93 (0.440.4)0.84 0.11
5、0050 450.6 (0.20.8)4 0.360.3 (10.26)0.8 0.6424115.18.19 2.230.2 2.8840.90.631 2.81.51 0.150.08 0.481.25 00.20.2 (5.43.6) 102.82.82.810.1282.10.70.33(10.35)0.3(3.56.5)0.17.27.260.2588 15(0.250.15)7.541.50.330.11.1110.92.790.251.2(200.3) 52.440.542 2.540100.240.58.90.23 0.8(420) 9.550.012.703.512 用竖式计算并验算: 7.21.21.680.2190.1837.82.7 0.042.51.80.246.210.347.045.613用竖式计算并验算: 5.050.5 38.29.55 2.10.560.361.2 6.880.41.761.10.450.50.1750.25