1、8.53.5 7.21.9 3.13.31 0.25 87.542.4 42.315.5 79.9531.2 7.491000 四、列竖式计算。0.56.4 9.70.53 6.20.2 83.59.990.640.3 0.90.56 0.410.13 0.814.740.690.6 1.70.23 9.31.7 738.5五、计算。6.814.446.33 8.72(3.450.6) 2.079.812.64 7.5861.2 0.85.10.4 1.50.4688.5 0.68570.6843 250.280.2 0.070.120.02 1100.321.68 六、解方程。x1355 x
2、4579 5x180 31x175 x422 x977 7x3570 8x32104 2x1016 33x30 2x1020 5x2055 800克()千克( )千克 19元8角5分( )元 766克( )千克 一个长方形宽是49厘米,长是n厘米,面积_平方厘米。四年级有b人,三年级比四年级少25人,三年级有_人。0.9870.961 7.066.89 5.135.76 4.0014.004 7.0726.525 6.7765.2 0.49 30.5 0.0021000 0.207100 35.91000 50.7 0.079 0.010.03 8.67.1 6.53.2 44.2 0.968
3、.823.2 42.432.2 88.7744.1 6.960.526.06 0.620.15 7.20.64 43.846.36.80.5 0.51.6 0.110.66 0.246.910.320.6 0.170.14 7.66.1 8.824.77.93.622.42 8.82(4.421.11) 6.675.274.37 788.41.2 8.50.846 1.30.6318.7 0.971.40.978.6 1250.310.04 0.820.070.490.03 8000.946.06 1569 a1.17.9 8x32 39x200 x319 x2867 5x535 6x1272
4、 2x428 123x24 2x430 9x9153 90厘米( )米 8.19元( )元( )角( )分 32.72个位上的2表示( )个( ),百分位上的2表示( )个( )。笑笑有46元钱,买书包用去n元,还剩下_元。笑笑原有17本课外书,又买来m本,现在一共有_本。0.9780.837 6.866.34 5.036.11 4.0034 7.1296.901 6.767.2 0.63 70.9 0.004100 38.12.86100 0.30.2 0.080.03 1.10.06 3.32.1 1.44.9 1.22.22 0.37 87.724.4 21.130.5 86.7755.
5、3 4.050.8328.1 9.20.47 80.20.7 43.58.862.60.4 0.726.9 0.182.8 0.5881.82.10.9 3.50.29 7.30.7 0.541.126.024.872.9 9.1(3.630.28) 6.757.954.07 4.9480.12 0.720.666 0.110.836.89 0.489.50.480.5 1250.90.08 7.40.72.90.3 87001.548.5 x1952 a3.97.3 4x100 50x113 x612 x2860 5x1580 7x1498 7x3556 63x42 5x1035 9x369
6、0 7千克994克( )千克 4米1分米( )米 94.14个位上的4表示( )个( ),百分位上的4表示( )个( )。笑笑有45元钱,买书包用去b元,还剩下_元。笑笑原有32本课外书,又买来a本,现在一共有_本。0.990.841 6.666.1 5.75.26 4.0044.002 7.0126.932 7.0366.9 0.17 70.9 0.0051000 7.2526.41000 0.50.09 0.036 23 1.21 5.61.3 5.13 0.86 55.923.2 11.321.3 79.5753.1 0.6360.88.57 0.720.15 78.30.02 5.85
7、16.57.30.07 0.140.32 61.9 2.197.92.30.02 0.540.42 4.50.82 0.2961.29.712.694.42 7.93(4.990.55) 4.935.261.82 360.170.08 2.61.40.3 0.460.187.54 110.4889 252.24 0.080.170.02 8700.297.71 1373 y3.58.2 8x352 28x104 x815 x2477 6x30108 9x3663 6x18102 66x102 2x624 5x1565 7.63元( )元( )角( )分 1460克( )千克 笑笑有77元钱,买书包用去y元,还剩下_元。大货车每次运货x吨,运了14次,共运货_吨。0.8790.947 6.866.79 5.056.08 4.0024.003 7.1136.627 6.7764.8 0.32 41000 52.83.0610 60.06 0.20.2 0.17400 8.76 8.11.2 2.14.42 0.52 89.550.0 54.415.3 99.7815.3 0.6789.588.8 10.20.43 92.50.64 1.8261.70.330.05 0.160.67 7.90.62 7.14.680.490.3 0.620.29 9.50.7 0.3536.8
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