1、小数乘法简便计算强烈推荐690.250.570.40.26(100+1)84.70.1254010.1885.1+8.849812.59.75.1-0.97139.9452.50.42512.52881.74.8+1.75.2250.480.40.23(200+8)851.25689.9853.4+8.5660.81.254.61.1-0.46699.90.041.5251.22.512.59580.75.1+0.74.90.250.640.40.23(400+6)0.88.50.125709.9454.2+4.55881.252.78.1-0.27229.90.041.10.250.40.2
2、50.125510.87.53.6+7.56.40.250.8740.25(300+3)0.86.71.25289.9594.2+5.9582.40.1256.29.1-0.625110.10.44.7250.4250.1254683.84.9+3.85.1250.720.40.22(300+2)881.256810.1743.9+7.4616.41.2558.1-0.5859.90.48.40.250.42.512.5730.89.28.3+9.21.7250.860.40.27(400+4)84.41.256210.1294.6+2.9546.412.59.45.1-0.948910.10
3、.48.82.522.512.5720.81.26.2+1.23.8250.960.040.26(100+6)0.82.50.125899.9883+8.8707.212.58.68.1-0.866810.10.41.8252250.1253183.76+3.740.250.860.40.28(500+8)89.41.256410.1913.6+9.1641.61.257.61.1-0.769810.10.045.12.50.40.2512.56980.27+0.232.50.6640.24(100+5)0.84.21.25289.9472.1+4.77940.1251.33.1-0.1314
4、9.90.42.20.2542512.5882.37.6+2.32.4250.560.40.24(400+2)0.83.51.259210.1234.7+2.3534.812.55.72.1-0.578710.10.040.32.522.51.259782.96.4+2.93.6250.6640.23(200+1)0.82.71.25409.9613.1+6.1694.812.576.1-0.72810.10.49.52.520.250.1255285.49.2+5.40.80.250.480.040.26(400+2)0.82.70.1257910.1214.9+2.1512.412.591
5、.1-0.9309.90.49.8250.82.512.55080.25.4+0.24.60.250.860.040.27(300+2)88.81.25149.9632.3+6.3775.61.251.98.1-0.196610.10.48.40.250.40.251.25310.826.5+23.52.50.820.040.27(500+4)0.88.70.125849.9184.6+1.8545.61.252.98.1-0.291510.10.048.32542.512.5110.82.26.3+2.23.72.50.920.040.21(200+4)0.84.30.1251210.1783.5+7.8650.80.1251.73.1-0.174110.143.80.251.60.2512.54385.65.7+5.64.3250.950.040.29(400+5)82.20.1256110.1962.3+9.6776.40.1256.39.1-0.63429.942.4254251.25250.83.42.1+3.47.9250.710.40.25(200+2)0.82.812.5919.9614+6.1600.812.53.23.1-0.322710.1
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