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1小数乘除法简便运算练习题小数乘除法简便运算练习题0.75199 0.8615.70.8614.7 0.2536 4.23.57.2899+7.28 2615.715.724 1.2(9.62.4)4.8 4.84.80.5 8.053.4+7.6 (3.2750.625)3.3225 324.90.9 (1.250.125)82.5(3.80.04) 3.8299.9 2.51.250.32 0.12572 0.2539+0.25 6.80.750.25 480.56440.48 12.556 13.50.98 12.58.8 95.70.286.30.280.28229.599 9.161.530.05391.6 3.9(1.35) 4.23.515(0.150.4) 63.42.50.4 3.63.60.75 (4.236.17)0.840.5 0.81 0.18 4.40.83.40.8 (9.37+9.37+9.37+9.37) 25 4.8100.1 7.0910.80.87.09 12.50.42.58 0.2793430.6572790.96 (4.2 -3.4) 1.25 9.599.8 4.8 (15 2.4) 8.7 17.4 - 8.7 7.4