小数加减法简便计算强烈推荐199.docx

1、小数加减法简便计算强烈推荐1997.50.092.50.91100.570.53.70.3396.39.6740.80.049.960.760.770.240.232.370.750.378.78.8991.391.21.21.38.80.1520.8528(0.250.84)(0.759.16)120.53(870.53)8.5(0.4591.5)199.553.140.170.830.4950(4.5150)500.761.60.76(0.620.37)(19.380.63)4.92(9.25.08)0.90.0419.10.963.40.36.60.7103.14.73.17.90.69

2、92.19.31520.769.240.280.120.720.882.580.960.580.79.2999.390.83.192.596.810.2390.7721(0.420.81)(0.589.19)120.6(520.6)7.5(0.9592.5)199.053.340.590.410.973(4.127)500.043.90.04(0.620.17)(19.380.83)4.68(17.25.32)8.70.06111.30.9393.30.526.70.48106.15.76.18.80.0191.29.9994.70.29.80.190.330.810.672.580.590.

3、5860.399499.75.970.384.030.078.90.9321.1(0.410.27)(0.599.73)120.37(190.37)8.5(0.2891.5)199.726.50.580.420.4274(4.5826)500.995.50.99(0.780.65)(19.220.35)4.24(21.95.76)3.30.04116.70.9591.30.038.70.97104.33.94.36.60.9293.49.0881.70.039.970.330.080.670.922.520.250.5233.999796.19.651.720.350.383.50.6226.

4、5(0.290.24)(0.719.76)120.49(160.49)5.3(0.294.7)199.85.190.140.860.5822(4.4278)500.092.40.09(0.860.82)(19.140.18)0.58(28.19.42)0.40.03719.60.96310.1490.86105.61.55.670.98939.0258.50.429.580.80.650.20.352.360.750.3611.899998.23.312.226.690.518.70.4921.3(0.20.44)(0.89.56)120.17(280.17)6.3(0.9993.7)199.

5、012.640.470.530.8399(4.171)500.950.30.95(0.730.51)(19.270.49)6.53(273.47)4.40.04715.60.95380.6120.39107.72.67.73.60.4496.49.5615.70.559.450.850.860.150.142.130.360.130.65.3999.494.76.042.053.960.512.30.4927.7(0.840.07)(0.169.93)120.28(530.28)5.3(0.9894.7)199.021.980.090.910.3223(4.6877)500.179.70.17

6、(0.660.66)(19.340.34)5.13(6.14.87)2.80.02317.20.9779.30.390.70.61105.57.15.51.20.2998.89.7138.30.829.180.470.040.530.962.240.30.243.52.3996.597.78.20.861.80.531.20.4728.8(0.970.16)(0.039.84)120.96(660.96)1.3(0.6798.7)199.336.810.590.410.2356(4.7744)500.614.10.61(0.20.76)(19.80.24)2.8(5.87.2)7.10.047

7、12.90.9538.20.751.80.251027.226.20.8793.89.1352.90.519.490.020.60.980.42.440.780.445.22994.8988.022.171.980.248.70.7621.3(0.880.11)(0.129.89)120.38(310.38)6.3(0.0293.7)199.983.10.840.160.7261(4.2839)500.934.40.93(0.70.64)(19.30.36)8.14(241.86)8.20.02411.80.9764.30.155.70.85104.89.84.86.30.6493.79.36730.489.520.980.070.020.932.360.050.36