1、小数乘法简便计算强烈推荐1600.044.40.2542.512.53189.71.1+9.78.92.50.830.40.25(100+1)0.84.512.55110.1461.7+4.6835.60.1257.54.1-0.75239.90.45.20.251.2250.1254384.98+4.92250.450.040.21(500+3)0.87.11.252310.1962.3+9.6777.21.251.92.1-0.191810.10.046.20.251.22.50.125130.89.88.2+9.81.82.50.8840.26(200+2)0.83.50.1256010
2、.1504.4+5564.81.2561.1-0.6559.90.45.8250.42.51.25250.83.92.5+3.97.50.250.650.40.25(500+1)84.30.125939.9901.4+9861.60.1256.65.1-0.66929.946.82.51.62.512.5630.83.93.6+3.96.42.50.990.40.23(500+3)0.84.11.25499.9791.5+7.98541.253.37.1-0.33159.948252.8250.1259989.39.3+9.30.7250.7940.29(500+2)0.85.30.12568
3、10.1951.3+9.58740.12528.1-0.24210.140.22.51.22.512.5670.85.22.7+5.27.32.50.5840.22(300+6)0.89.41.253210.1382+3.8804.80.1256.95.1-0.692810.10.42.72.542.50.125720.82.96.3+2.93.70.250.640.23(100+5)87.612.53710.1752.2+7.5787.212.536.1-0.3469.944.92520.2512.5210.88.13.3+8.16.72.50.6940.26(400+4)87.81.253
4、110.1992.8+9.9722.40.12593.1-0.9459.90.044.32.53.62.512.5500.80.95.9+0.94.1250.580.40.23(400+6)881.25999.9533.3+5.3677.20.1253.27.1-0.329810.10.48.60.251.22.512.58089.94.1+9.95.90.250.640.40.22(300+2)0.84.50.1251910.1473.4+4.7665.61.251.54.1-0.15209.90.48.72.50.40.2512.5670.87.73.6+7.76.42.50.9340.2
5、9(500+6)85.80.1259210.1302.1+379412.51.32.1-0.135210.144.10.2520.250.125580.80.71.2+0.78.8250.580.40.28(100+5)0.86.512.5319.9302.4+3765.61.2536.1-0.32610.10.40.7250.4251.25830.87.72.7+7.77.30.250.740.23(100+9)0.89.90.125289.9453.7+4.5635.612.51.19.1-0.117110.145.70.253.22512.5760.89.85.8+9.84.22.50.7340.24(200+7)0.881.25519.9664.6+6.65440.1254.17.1-0.41149.90.45.40.252.80.251.25250.896.3+93.7250.850.040.26(100+7)0.83.61.25599.9932.8+9.3721.61.259.93.1-0.99859.90.049253.20.2512.5481.51.2+1.58.80.250.610.40.24(200+5)0.86.112.5439.9
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