五年级小数乘法与加法简便计算(共3页).doc

精选优质文档-倾情为你奉上简便计算0.2516.24 0.12564 1.253.225 12.54.8 0.252.60.4 2.5204 3.2125 0.79199 0.68101 1.012.6 3.89.9 3.6102 4.8100.1 7.69101 3.265.73.260.7 3.425.74.33.42 8.75118.75 55.69955.6 3.723.56.283.5 56.59.956.5 7.0910.80.87.09 28.610128.6 3.723.56.283.5 15.613.115.615.62.1 46