求2.5×3.41÷3.41×25的简便计算，要用递等式哦~~ 日期：2011-10-12 15:07:48 人气：3 求2.5×3.41÷3.41×25的简便计算，要用递等式哦~~ 2.5×3.41÷3.41×25 =2.5×(3.41÷3.41)×25 =2.5×1×25 =2.5×25 =62.5
