问题
解答题
简算下面各题: (1)
(2)24×(. |
答案
(1)
×199-5 9
,5 9
=
×(199-1),5 9
=
×198,5 9
=110;
(2)24×(,
=24×
+24×3 4
-24×5 6
,1 32
=18+20-
,3 4
=38-
,3 4
=37
.1 4
简算下面各题: (1)
(2)24×(. |
(1)
×199-5 9
,5 9
=
×(199-1),5 9
=
×198,5 9
=110;
(2)24×(,
=24×
+24×3 4
-24×5 6
,1 32
=18+20-
,3 4
=38-
,3 4
=37
.1 4