题目内容

能简算的简算
(1)
8
13
÷4×
5
6
(2)
8
9
÷
4
7
÷
1
3
(3)
1
5
÷
1
99
+
1
5
(4)15÷
1
2
÷
2
3
(5)(
11
12
-
5
8
)÷
1
24
(6)
3
7
×
4
9
+
2
3
.
(1)
8
13
÷4×
5
6
,
=
8
13
×
1
4
×
5
6
,
=
5
39
;

(2)
8
9
÷
4
7
÷
1
3
,
=
8
9
×
7
4
×3,
=
14
3
,
=4
2
3
;

(3)
1
5
÷
1
99
+
1
5
,
=
1
5
×99+
1
5
,
=
1
5
×(99+1),
=
1
5
×100,
=20;

(4)15÷
1
2
÷
2
3
,
=15×2×
3
2
,
=45;

(5)(
11
12
-
5
8
)÷
1
24
,
=(
11
12
-
5
8
)×24,
=
11
12
×24-
5
8
×24,
=22-15,
=7;

(6)
3
7
×
4
9
+
2
3
,
=
4
21
+
2
3
,
=
6
7
.
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