题目内容

请你来算一算,能简算的要简算.
11
15
÷[10×(
2
3
+
4
5
)]
3
4
×
8
13
+
5
13
×
3
4
-
3
4
1
4
+
1
6
)÷
1
2
-
2
3
×
1
4
1
3
×
4
5
÷
2
3
2
3
-
1
2
)÷
5
6
1
6
+
7
10
-
4
15
)×30.

(1)
11
15
÷[10×(
2
3
+
4
5
)],
=
11
15
÷[10×
22
15
],
=
11
15
÷
44
3

=
1
20


(2)
3
4
×
8
13
+
5
13
×
3
4
-
3
4

=
3
4
×(
8
13
+
5
13
-1),
=
3
4
×0,
=0;

(3)(
1
4
+
1
6
)÷
1
2
-
2
3
×
1
4

=
5
12
÷
1
2
-
2
3
×
1
4

=
5
6
-
1
6

=
2
3


(4)
1
3
×
4
5
÷
2
3

=
4
15
÷
2
3

=
2
5


(5)(
2
3
-
1
2
)÷
5
6

=
1
6
÷
5
6

=
1
5


(6)(
1
6
+
7
10
-
4
15
)×30,
=
1
6
×30+
7
10
×30-
4
15
×30,
=5+21-8,
=26-8,
=18.
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