文档介绍:五年级简便计算练****题简便计算
.-(+)          ÷÷            ÷×               ××        3.
五年级简便计算练****题简便计算
.-(+)          ÷÷            ÷×               ××        ××+×                    ×+×+    ×25-×250          
      (+++)×(-)×         ×99+     
65÷(×4)+-+                -(-)×+÷2          ×103       
  ××2××4                   ×8-×80(+)÷     ÷÷      
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