五年级数学计算题.docx

1、五年级数学计算题五年级上册计算题一、用竖式计算：0.372.4 1.553.8 （保留一位小数）56.50.24 93.60.0520.590.027 6.726.41.240.15 0.397.81.035.9 3.84.5 （得数保留两位小数） 0.861.2 5.636.1 （得数保留两位小数）7.60.9 10.50. 3 4.250.18（得数保留一位小数） 0.30.12 104.7826 (得数保留一位小数) 34.20.8 验算 3.516= 0.197.5= 验算 227.80.34= 7.5250.38= (得数精确到百分位) 365.5 183.06 3.45210.28

2、0.25 1500.12 0.871.5 0.030.12= 验算： 52.7826= 验算： 1.860.47 3.817 (得数保留两位小数) 0.40.076 1.50.062 6.50.04 二、递等式计算，能简便的用简便方法计算。5.58.21.85.5 0.250.894 4.80.988.81.25 7.650.85+1.1 23.45.23.22.354.645.362.35 12.51.360.8 2.610.14.40.25 25.212+2.9 43.5151.451.873.058.133.05 1.250.450.8 9.83.70.442.5 2.250.4+0.6

3、 31.043.24.73.2610.10.13.26 0.1259.88 1024.82.42.5 （27.815.6）0.8 9.12574.8412.699 902541.396.13.91.39 0.251.60.4 10.11.92.41.25 0.4820.24.2 42.720.480.521.22.50.82.5 2.330.254 1020.458.81.25 7.062.45.7 0.211.42.68.710.1 7.062.45.7 6.350.81.2523.47.82.3 5.4+4.615 0.847+0.3682.56.80.4 2.53.21.25 21.36

4、0.82.9 5.651.8+4.351.8 2.51.253.2 6310.1 9.760.720.760.72+0.72 三、解方程1.8x=72 x5.4=1.2 x32.5=94 91X=1.3 1.2 x 2 = 60 （ x4）0.5=10 4X+1.25=24.4 8X5X=27 6x10.8=13.2 5.5X=8 X6=8.4 3X=2.70.4X=16 X7=0.3 11X=1.1 9X4=135 3X1.6=32.6 1.5305X=102X1.5X =42 （X3）2=7.5 8（X6.2）= 41.61.8x=72 x5.4=1.2 x32.5=94 x+4.2=14.8 16+8x=40 4x39=29 5X3X=33.6 X0.36X=16 5.4XX=122(3+x)=9.2 0.85(x6)=5.1 0.5x+0.8x=0.39 5.4x+x=12.8