题目内容

脱式计算,能简算的要简算.
24×(
3
4
+
1
3
+
5
12
)
5
12
+
5
8
-
5
6
1
4
÷5+
3
4
×
1
5
23
25
-(
15
17
-
2
25
)
0.25×32×125256-72+2.4.
(1)24×(
3
4
+
1
3
+
5
12
),
=24×
3
4
+24×
1
3
+24×
5
12
,
=18+8+10,
=36;

(2)
5
12
+
5
8
-
5
6
,
=
25
24
-
20
24
,
=
5
24
;

(3)
1
4
÷5+
3
4
×
1
5
,
=
1
4
×
1
5
+
3
4
×
1
5
,
=(
1
4
+
3
4
)×
1
5
,
=1×
1
5
,
=
1
5
;

(4)
23
25
-(
15
17
-
2
25
),
=
23
25
+
2
25
-
15
17
,
=1-
15
17
,
=
2
17
;

(5)0.25×32×125,
=0.25×4×8×125,
=(0.25×4)×(8×125),
=1×1000,
=1000;

(6)256-72+2.4,
=184+2.4,
=186.4.
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