小数加减法简便计算强烈推荐51.docx

1、小数加减法简便计算强烈推荐512.740.510.490.7486(4.2614)500.826.70.82(0.030.26)(19.970.74)0.76(6.39.24)5.50.0314.50.971.50.578.50.43106.43.86.41.60.798.49.385.60.999.010.260.280.740.722.740.670.7423.899896.24.572.715.430.320.30.6829.7(0.010.14)(0.999.86)120.93(450.93)8.3(0.8391.7)199.179.620.440.560.4678(4.5422)50

2、0.625.80.62(0.20.26)(19.80.74)7.55(14.42.45)7.10.05212.90.9481.60.818.40.191029.622.80.2897.29.7241.60.859.150.740.050.260.952.240.690.243.80.1996.299.94.732.575.270.111.70.8928.3(0.530.8)(0.479.2)120.85(790.85)9.5(0.8290.5)199.189.520.210.790.7340(4.2760)500.824.20.82(0.110.51)(19.890.49)9.76(3.30.

3、24)5.10.02914.90.9714.70.85.30.2109.51.29.50.80.1399.29.8791.60.519.490.090.260.910.742.160.740.162.39.3997.790.74.040.865.960.0640.9426(0.480.09)(0.529.91)120.2(230.2)1.1(0.5598.9)199.457.460.880.120.0292(4.988)500.294.90.29(0.160.56)(19.840.44)6.46(283.54)30.088170.9129.40.190.60.81108.26.88.20.80

4、.6899.29.3262.70.779.230.730.240.270.762.360.230.367.81.4992.298.69.610.010.390.783.90.2226.1(0.40.6)(0.69.4)120.14(890.14)3.7(0.5396.3)199.475.690.590.410.5588(4.4512)500.550.5(0.820.32)(19.180.68)5.29(24.64.71)9.10.07910.90.9213.30.56.70.5106.90.56.93.50.7596.59.2536.90.579.430.220.060.780.942.180

5、.530.184.61.8995.498.26.990.453.010.371.50.6328.5(0.010.02)(0.999.98)120.45(980.45)5.8(0.6694.2)199.347.990.990.010.5174(4.4926)500.345.80.34(0.460.34)(19.540.66)8.73(9.11.27)4.50.04415.50.9564.80.925.20.08107.61.27.68.50.5891.59.42310.699.310.580.060.420.942.130.030.1391.599198.55.10.574.90.159.30.

6、8520.7(0.070.32)(0.939.68)120.17(920.17)0.2(0.8499.8)199.167.060.260.740.7796(4.234)500.591.90.59(0.120.6)(19.880.4)9.75(11.60.25)2.20.04517.80.9557.30.392.70.61107.83.67.82.30.4597.79.5547.20.19.90.730.370.270.632.280.970.288.58.4991.591.68.330.371.670.685.40.3224.6(0.970.34)(0.039.66)120.11(80.11)

7、5.5(0.1394.5)199.874.780.60.40.1421(4.8679)500.578.70.57(0.530.93)(19.470.07)0.59(6.69.41)1.30.07718.70.9232.70.457.30.551059.454.50.7795.59.2319.30.479.530.730.30.270.72.760.150.767.77.7992.392.39.870.990.130.368.80.6421.2(0.990.13)(0.019.87)120.02(500.02)5.3(0.0394.7)199.973.60.850.150.0436(4.9664)500.636.10.63(0.360.09)(19.640.91)8.99(221.01)1.60.0318.40.97