问题
解答题
简算.
|
答案
(1)
×5 8
+3 7
×5 8
,4 7
=
×(5 8
+3 7
),4 7
=
×1,5 8
=
;5 8
(2)24×(
+1 6
+2 3
),1 3
=24×
+24×1 6
+24×2 3
,1 3
=4+16+8,
=20+8,
=28.
简算.
|
(1)
×5 8
+3 7
×5 8
,4 7
=
×(5 8
+3 7
),4 7
=
×1,5 8
=
;5 8
(2)24×(
+1 6
+2 3
),1 3
=24×
+24×1 6
+24×2 3
,1 3
=4+16+8,
=20+8,
=28.