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1、精选优质文档-倾情为你奉上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 93.60.052 0.590.027 6.726.4 1.240.15 0.397.8 1.035.9 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)(1)7.60.9 (2)10.50. 3 (3)4.250.18(得数保留一位小数) (验算 3.516= 0.197.5= (验算) 227.80.34= 7.5250.38= (得数精确到百分位) 78.611= (得数用循环小数表示)365.5 183.06 3.452
2、10.280.25 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) 5.871.9(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 2.610.1 25.212+2.9 43.5151.451.873.058.133.05 1.250.450.8 9.83.70.44
3、2.5 2.250.4+0.6 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
4、.53.21.25 21.360.82.9 5.651.8+4.351.8 2.51.253.2 6310.1 9.760.720.760.72+0.72 1020.45 8.277.521.733.52 0.79990.79 0.15 0.7518 7282.530.2 2.83.23.27.228.30.12.7 58.360.518.2 1.018.5 0.79980.79 2 0.481.25 0.255.80.44.050.5+10.75 21.60.81.25 6.82.7+2.73.2 8.46.9(6.444.14) 0.38102 4.82.542.476.5+7.536.5
5、 0.65101 4.121.781.22 3.6+6.41.5三、解方程1.8x=72 x5.4=1.2 x32.5=94 x+4.2=14.891X=1.3 1.2 x 2 = 60 ( x4)0.5=10 4X+1.25=24.4 8X5X=27 6x10.8=13.2(1) (2)(1) (2)(1) (2)(1) (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=12.8 3.6x0.8x=26.6 1.2x2=1202(3+x)=9.2 0.85(x6)=5.1 0.5x+0.8x=0.39 5.4x+x=12.850 -10 专心-专注-专业
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