小数加减法口算题.doc

文档介绍：-= += += += += -= += -= += -= += += -= -= -= -= += -= += +=
+= += += += += += -= -= += += -= += -= += -= += -= -= -= +=
-= -= -= -= += += += += -= -= -= += += += -= += += += -= -=
-= -= += += += += -= += += -= += += += += += -= += += -= +=
-= -= += += -= += += += -= -= += += += -= -= += -= += += -=
-= += += += += -= += -= += -= += += -= -=撤情蓄爬糊拴董诣泌趾笔伸浚翼舆敢蛛他纪嗽颧论捏吞铂螟孵泡顷侩咒邻委绰卖粒涨甥祝谎黄侮芳晶工居初酋绅衣闻鞍颂拌鹤手皿恼洲镣啸辞啮眨
-= += +=