怎样简便怎样算．8.2×99+8.2 4.8×0.25 0.78×9.98.96×0.32﹣0.96×0.32 2.6×1.9÷2.6×1.9．
计算下列各题，能简算的要简算，并把主要的计算过程写出来．+﹣=﹣﹣=++= 25×0.25×3.2= 6﹣（﹣）=﹣++=
直接写得数．+=+=﹣= 1﹣=﹣= 0.25+=+= 2+=+=﹣=
脱式计算，能简算的要简算． 3﹣﹣++﹣+﹣．
①+=②+=③﹣= ④2﹣=⑤+=⑥+=
下面各题怎样算简便就怎样算． 6﹣﹣．
+
﹣
=
﹣
﹣
=
+
+
=
﹣
）=
+
+
=
+
+
=
﹣
= 1﹣
=
﹣
=
=
+
= 2+
=
+
=
﹣
=
﹣
+
+
﹣
+
﹣
．
+
+
=③
﹣
=
=⑤
+
=⑥
+
=
﹣
．
粤公网安备 44130202000953号