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小数乘法简便计算练习题(0.2516.24 (1.250.125)8 3.61023.723.56.283.5 15.62.1-15.61.1 4.810.14.87.8780.52 56.59956.5 0.324037.0910.80.87.09 4.2994.2 1.252.5323.834.56+3.835.444.3612.589.7999.727.53.7-7.53.70.65101 3.20.2512.5