1、列竖式计算四年级1、列竖式计算0.860.72 3.51.6 12.542 3.215 1.30.24 1.82.3 1.0625 0.170.860.620.39 270.432、脱式计算（能简算的要简算） 4.80.25 2.330.54 1.5105 1.22.50.82.550.41.91.8 3.760.2525.8 1.080.80.272.050.8233.6 44.280.94.1 9.0722.783.43、列竖式计算（除不尽的保留两位小数）5.980.23 19.765.2 10.84.5 211.48.841.7 6.210.03 482.3 1.553.8 7.090.
2、52 246.4134、脱式计算0.75180.15 2.070.230.45 21.360.812.9 7.283.22.5 5.517.36.75.5 1.253.22.53.84.292.14.2 0.250.320.125 12.5322.5 0.250.321.255、列竖式计算（除不尽的保留一位小数）1.890.54 7.12.5 0.510.22 1.30.03 6.5090.27 0.680.95 28.611 20.424 3.645.2 18. 92.76、解方程x0.3=1.8 3x=5.4 x1.5=4 16x=7.6 5x=1.5 x1.1=3 15x=1.53x6=
3、18 2x7.5=8.5 4x39=297、解方程2(x2.6)=8 5(x1.5)=17.5 8(x6.2)=41.6 8x3x=105(x3) 2=7.5 13.2x9x=33.3 5.4xx=12.8x0.36x=16 13 (x5)=169 3.4x48=26.88、列竖式计算0.2861.706 31.516.7 8.6915.26 4.561.63 125.672 6.9218.48 13.24283.7691.237.61 4.0527.89 152.079、脱式计算7.52.835.42 4.5296.3567.05 272.857.15 12.639.70.3 4.068.11.93.94 56.023.9824.5 1250.910.8 1.460.76.5 (80.8) 1.252.870.4428.70.05610、脱式计算0.1253.885 0.78101 6.950.2 0.125320.25 0.910.81.251.09 145.81.80.250 4.050.990.595 14.86.38.33.27 1028.5 0.254.4
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