五年级小数乘除法简便运算50题竞赛(共2页).doc

精选优质文档-倾情为你奉上五年级小数乘除法简便运算50题竞赛； 姓名 分数 2.57.14 16.129916.12 5.20.90.9 7.2899+7.28 4.3500.2 2615.715.724 (1.250.125)8 56.59956.5 7.0910.80.87.09 4.8100.18.717.4 - 8.77.4 12.50.42.58 9.5101 6.81+6.8199 0.251.8740 4.40.83.40.8 2.376.3+2.373.7 2.51.250.32 3.810.1 2.5(3.80.04)7.6105 3.810.1 0.2539+0.25 0.12572 460.33+54