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1、1、列竖式计算 0.860.72 3.51.6 12.542 3.215 1.30.24 1.82.3 1.0625 0.170.86 0.620.39 270.43 2、脱式计算(能简算的要简算)4.80.25 2.330.54 1.5105 1.22.50.82.5 50.41.91.8 3.760.2525.8 1.080.80.27 2.050.8233.6 44.280.94.1 9.0722.783.4 3、列竖式计算(除不尽的保留两位小数)5.980.23 19.765.2 10.84.5 211.4 8.841.7 6.210.03 482.3 1.553.8 7.090.52
2、 246.413 4、脱式计算 0.75180.15 2.070.230.45 21.360.812.9 7.283.22.5 5.517.36.75.5 1.253.22.5 3.84.292.14.2 0.250.320.125 12.5322.5 0.250.321.25 5、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 18.92.7 6、解方程 x0.3=1.8 3x=5.4 x1.5=4 16x=7.6 5x=1.5 x1.1=3 15x=1.5
3、3x6=18 2x7.5=8.5 4x39=29 7、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=12.8 x0.36x=16 13(x5)=169 3.4x48=26.8 8、列竖式计算 0.2861.706 31.516.7 8.6915.26 4.561.63 125.672 6.9218.48 13.24283.76 91.237.61 4.0527.89 152.07 9、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)1.25 2.870.4428.70.056 10、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