小数乘法简便计算强烈推荐337.docx

1、小数乘法简便计算强烈推荐3370.46.6252.82.51.253585.98.9+5.91.12.50.890.40.23(400+8)0.86.512.52010.1743.1+7.4691.61.258.84.1-0.88819.90.042.12.53.2250.12593857.3+52.7250.780.40.21(100+3)84.31.251810.1542.5+5.4752.41.2551.1-0.58810.1472.51.62.512.5780.83.92+3.982.50.530.40.29(100+4)0.82.31.251610.1344.8+3.4526.40.

2、1256.94.1-0.69429.90.48.90.251.22.512.5390.87.24.6+7.25.4250.670.040.24(400+8)85.712.5379.9482.4+4.876812.53.35.1-0.332510.10.43.42.52.82.51.25790.89.12.4+9.17.6250.7640.22(400+7)0.82.31.259910.1524.4+5.2567.20.1259.33.1-0.939210.10.042.20.2522.50.1251387.72.8+7.77.22.50.570.040.24(300+2)0.88.20.125

3、759.9732+7.3807.212.56.39.1-0.638510.146.22.54251.258986.96.3+6.93.7250.720.40.22(300+2)85.10.125929.9551.3+5.5876.412.53.91.1-0.39459.90.049.40.251.22.51.257882.85.4+2.84.60.250.5940.25(500+5)86.10.125789.9623.7+6.2633.20.1257.14.1-0.71839.943.32.50.42.512.5550.81.47.9+1.42.1250.610.40.28(100+4)85.

4、512.5289.9214.8+2.1523.20.12588.1-0.8649.90.43.8250.4251.258581.59.1+1.50.90.250.8140.27(500+1)87.812.55210.1112.9+1.1710.81.252.69.1-0.266810.10.430.2522.51.25760.81.23.9+1.26.10.250.740.28(200+5)84.312.53010.1694.1+6.9597.21.258.63.1-0.86549.90.47.1253.62.512.56784.29+4.21250.520.40.29(300+6)87.21

5、2.5159.9862.5+8.6750.812.59.64.1-0.96399.90.044.62.50.82.51.25450.84.89.2+4.80.8250.480.040.29(500+6)0.88.512.5129.9474.2+4.7587.212.53.39.1-0.33949.943.30.252.82.50.1253380.46.4+0.43.62.50.8840.24(300+8)0.82.61.254810.1364.5+3.65580.1256.44.1-0.641210.10.041.7250.42.51.25600.88.93.7+8.96.3250.660.040.28(200+7)0.88.41.25349.9243.6+2.4647.21.254.31.1-0.439310.10.47.5254251.25500.87.99.1+7.90.9250.640.24(400+4)831.25209.9862+8.6802.40.1256.62.1-0.667710.10.045.82.520.251.258383.85.2+3.84.82.50.740.28(100+9)0.82.212.56010.1