小数乘法简便计算强烈推荐338.docx

1、小数乘法简便计算强烈推荐338291.1+2.9892.412.53.63.1-0.36179.90.049.72522.512.5887.45.2+7.44.8250.6540.22(300+5)84.91.251710.1953.8+9.5624.80.1255.88.1-0.588110.10.044.92542.51.252788.79.1+8.70.9250.8740.23(400+4)0.89.912.59110.1573.6+5.76441.257.81.1-0.78289.940.20.252.82.50.1256859.5+50.5250.6240.23(300+9)85.6

2、1.25529.9415.3+4.1475.60.1257.97.1-0.794410.10.47.6254250.125520.87.26.3+7.23.7250.60.040.22(400+6)0.83.60.1252110.1674.6+6.7546.40.1259.19.1-0.91169.90.49.6250.40.2512.5820.80.41.8+0.48.20.250.940.040.27(300+7)0.8512.55210.1302.3+3777.212.59.78.1-0.979610.10.046.22.51.22.51.25590.81.59.3+1.50.72.50

3、.6540.28(200+5)88.412.57010.1314.2+3.1580.81.253.75.1-0.379710.10.44.32.51.60.251.25310.87.28.2+7.21.80.250.5640.26(500+5)0.85.512.52410.1444.1+4.4594.80.1256.49.1-0.64999.90.049.20.253.60.251.259781.69.2+1.60.82.50.670.40.29(500+8)0.890.125329.9214.6+2.1547.20.1258.82.1-0.88689.90.049.12.53.20.251.

4、25200.86.85.3+6.84.70.250.870.40.23(100+9)85.80.1254410.1853.5+8.5656.40.1259.86.1-0.989610.147.6253.6251.25940.84.44.2+4.45.8250.90.040.21(400+7)0.87.812.5909.9341.2+3.48880.1252.84.1-0.283010.10.42.3252.8251.25630.82.43.6+2.46.4250.5640.25(300+9)0.871.255110.1682.4+6.8761.612.55.58.1-0.555510.145.

5、40.253.22512.51086.55.8+6.54.22.50.8140.21(100+7)0.83.81.25329.9864.1+8.6596.412.53.28.1-0.325910.10.049.62.50.42512.5630.81.99.6+1.90.40.250.940.40.27(300+8)88.912.5809.9404+4602.412.56.32.1-0.63619.90.46.72.522512.58283.27.1+3.22.90.250.650.040.21(500+6)0.88.712.51310.1635.1+6.3496.41.253.85.1-0.38589.943.10.251.2251.254183.98.1+3.91.90.250.50.040.22(400+3)85.50.1254810.1322.7+3.2736.41.2571.1-0.73010.10.042.42.53.2251.25730.87.16.9+7.13.12.50.530.040.28(200+2)84.31.25519.9483.7+4.8631.612.51.18.1-0.11769.941.72.51.60.2512.51185.22.4+5.27.6