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精品文档小数乘法简便计算小数乘法简便计算 0.2516.24 (1.250.125)83.61023.723.56.283.5 15.62.115.61.14.810.14.87.8780.52（怎样变化？）56.59956.5 7.0910.80.87.09 1.879.90.187 4.2994.21.252.532 3.834.563.835.44 4.3612.589.7999.727.53.77.53.7 0.65101 3.20.2512.53.140.6831.40.0327.20.22.41.48.91.01.精品文档 7.74（2.81.3）1.52.26 3.92.73.97.3 12.79.91.275.411-5.4 2.316+2.323+2.33.654.736.50.3746572386 2.2210.716.1-15.110.70.2536 0.257.60.80.27.61.288.60.728.6.9.9+6.666.7 1010.87-0.91870.39199 0.324030.7343.6510.1 0.859.9 0.258.54 12.50.960.8 10.60.359.60.35