小数乘法简便计算强烈推荐131.docx

1、小数乘法简便计算强烈推荐131812+8.1807.20.1251.74.1-0.179410.142.7252.82.50.1252780.29.7+0.20.3250.5640.27(400+6)84.51.254210.1163.3+1.6675.61.251.67.1-0.162010.145.52.542.51.25330.87.38.2+7.31.8250.630.040.21(100+9)82.812.5379.9655.4+6.5461.61.252.16.1-0.213410.10.49.8254250.1252281.92+1.98250.540.28(100+6)88.6

2、12.5399.9353.1+3.5696.412.52.52.1-0.257810.10.46.20.250.8251.25290.898.4+91.6250.80.40.27(400+8)86.71.25449.9322.5+3.27581.256.17.1-0.614110.146251.22.51.255284.88.8+4.81.2250.4940.22(500+8)82.412.58410.1911.8+9.182812.51.23.1-0.129910.10.041.42.54250.125660.83.95.8+3.94.20.250.8940.29(100+6)0.89.21

3、.25139.9263.4+2.6660.812.58.46.1-0.849610.10.49.42.52.40.251.2590.80.42.4+0.47.6250.8440.27(200+4)0.85.50.125799.9712.6+7.1744.80.1258.83.1-0.881510.10.48.40.2540.251.257086.79.5+6.70.50.250.650.040.24(500+8)0.88.20.1255910.1193.9+1.9617.21.252.82.1-0.28719.90.40.92.52.82.50.125500.87.22.5+7.27.50.2

4、50.6540.29(200+6)84.40.125389.9113.7+1.16340.1255.93.1-0.59529.90.412.50.40.251.256185.92.6+5.97.4250.910.040.26(100+3)0.85.31.25289.9411.5+4.18541.259.77.1-0.978110.147.62.53.6250.1252886.79.7+6.70.32.50.7140.27(100+8)89.20.1257410.1905+9506.41.251.97.1-0.19829.90.40.80.251.6250.12541896.1+93.9250.

5、840.40.27(400+8)0.88.81.257110.1271.6+2.78441.2584.1-0.8339.949.70.251.22.51.25970.86.63.8+6.66.2250.8740.21(300+3)0.85.712.51710.1505.3+5477.21.251.94.1-0.19149.946.9251.62.50.1253881.87.2+1.82.82.50.8840.27(300+4)0.89.11.251310.1533.6+5.3644.81.259.33.1-0.93899.90.42.70.252.40.251.251484.69.7+4.60.32.50.510.40.27(300+9)8812.5729.9143+1.4701.60.1256.54.1-0.65329.90.0472.53.62.512.5390.80.58.6+0.51.4250.5840.23(200+1)87.10.125289.9235.1+2.3494.80.1254.62.1-0.46779.90.49.3254251.25520.80.91.7+0.98.3