商店购进875瓶饮料，第一天卖了229瓶，第二天卖了297瓶．一共卖了多少瓶？还剩下多少瓶饮料？
直接写得数．﹣=+= 1+=﹣= 1﹣=+= 1﹣=++= 6﹣= 7﹣﹣= 8﹣4=+++=
直接写出得数．+= 1﹣=﹣=+=﹣=﹣0=+=+=++=++=
直接写得数.﹣=+= 3﹣=+=
请选择合适的方法计算下面各题． 1﹣﹣﹣+++﹣﹣+﹣．
直接写出得数： ①= ②= ③= ④= ⑤= ⑥= ⑦= ⑧=
﹣
=
+
= 1+
=
﹣
=
=
+
= 1﹣
=
+
+
=
﹣
= 7﹣
﹣
= 8﹣4
=
+
+
+
=
+
= 1﹣
=
﹣
=
﹣
=
﹣0=
+
=
+
=
+
+
=
+
+
=
﹣
=
+
= 3﹣
=
+
=
﹣
﹣
+
+
+
﹣
﹣
+
﹣
．
= ②
= ③
= ④
=
= ⑥
= ⑦
= ⑧
=
粤公网安备 44130202000953号