小数加减法简便计算强烈推荐202.docx

1、小数加减法简便计算强烈推荐2028.70.341.30.66109.45.19.40.10.0199.99.9917.60.89.20.120.680.880.322.460.930.467.22.5992.897.53.192.86.810.728.40.2821.6(0.660.69)(0.349.31)120.52(20.52)5.1(0.0394.9)199.972.750.950.050.197(4.93)500.924.90.92(0.410.28)(19.590.72)4.53(155.47)4.60.09715.40.9034.70.575.30.43103.30.43.30.

2、90.9299.19.0840.10.339.670.770.80.230.22.540.980.543.55.4996.594.69.891.80.110.164.80.8425.2(0.870.52)(0.139.48)120.21(300.21)6.3(0.6293.7)199.384.20.340.660.1376(4.8724)500.943.50.94(0.070.96)(19.930.04)7.93(9.82.07)0.50.07919.50.9215.40.164.60.841081.984.10.7895.99.2232.20.359.650.670.470.330.532.

3、210.880.212.39.9997.790.10.581.279.420.65.70.424.3(0.910.41)(0.099.59)120.28(480.28)4.8(0.195.2)199.97.590.110.890.9761(4.0339)500.344.90.34(0.410.47)(19.590.53)4.64(29.95.36)0.20.0419.80.967.10.22.90.8105.11.75.12.60.2497.49.7688.70.789.220.390.940.610.062.080.130.084.11.5995.998.50.552.739.450.857

4、.30.1522.7(0.130.4)(0.879.6)120.29(510.29)2.2(0.3497.8)199.667.340.680.320.1943(4.8157)500.848.50.84(0.290.14)(19.710.86)9.6(11.40.4)2.50.01817.50.9827.90.472.10.531045.443.10.5496.99.4647.40.849.160.520.870.480.132.350.850.357.34.3992.795.74.161.675.840.870.90.1329.1(0.710.74)(0.299.26)120.39(280.3

5、9)7(0.1793)199.831.90.750.250.6775(4.3325)500.056.40.05(0.910.08)(19.090.92)8.95(23.61.05)70.085130.9154.10.065.90.94108.93.98.94.60.0795.49.93200.229.780.610.750.390.252.450.250.457.34.6992.795.43.641.696.360.619.80.3920.2(0.30.44)(0.79.56)120.91(250.91)5.4(0.9894.6)199.025.240.450.550.7370(4.2730)

6、500.216.50.21(0.640.84)(19.360.16)5.35(6.14.65)2.20.06517.80.9357.60.912.40.091016.218.40.9491.69.0629.10.369.640.830.50.170.52.170.610.170.74.3999.395.73.940.396.060.282.50.7227.5(0.590.2)(0.419.8)120.89(850.89)8.8(0.3191.2)199.696.90.550.450.8428(4.1672)500.042.80.04(0.930.12)(19.070.88)3.3(18.66.

7、7)7.20.01912.80.9815.40.324.60.68102.55.52.53.30.9196.79.0951.50.019.990.810.60.190.42.010.380.011.81.7998.298.35.691.234.310.376.40.6323.6(0.670.01)(0.339.99)120.04(280.04)3.6(0.8296.4)199.188.680.920.080.6257(4.3843)500.086.90.08(0.510.56)(19.490.44)3.34(14.46.66)0.40.07719.60.9230.10.069.90.94109.11.79.11.50.5698.59.4466.10.289.720.520.10.480.92.150.460.15