五年级小数、分数简便运算练习题(共10页).doc

五年级小数、分数简便运算练习题5.8324.27 (45.932.7)80.125 9.7999.74.3612.58 15.613.115.615.62.1 0.6510127.53.77.53.7 8.542.50.4 3.834.563.835.4452.80.40.25 586-458127 0.2516.24 3.723.56.283.5 3.6102 4.87.8780.52 6.40.253.60.25 4.84.80.5 (1.250.125)8 4.8100.1 56.59.956.5 7.0910.80.87.09 3201.258