问题
解答题
|
答案
(1)
-1 2
×1 7
+7 10
,5 6
=
-1 2
+1 10
,5 6
=
+2 5
,5 6
=
;37 30
(2)(
-2 3
×5 9
)×3 8
,16 7
=(
-2 3
)×5 24
,16 7
=
×11 24
,16 7
=
;22 21
(3)
×7 18
+1 4
×3 4
,7 18
=(
+1 4
)×3 4
,7 18
=1×
,7 18
=
;7 18
(4)45×
,45 46
=(46-1)×
,45 46
=46×
-1×45 46
,45 46
=45-
,45 46
=44
;1 46
(5)24×(
-3 4
+1 3
),1 6
=24×
-24×3 4
+24×1 3
,1 6
=18-8+4,
=14;
(6)2-(
+1 2
)-1 25
,23 50
=2-
-27 50
,23 50
=2-(
+27 50
),23 50
=2-1,
=1.