题目内容

计算,能简算的要简算.
11
3
÷
5
6
×
15
11
7
15
÷5+
7
15
×0.8
(2-0.6)÷
7
15
4÷(
1
2
+
3
4
×
1
5
)
11
19
×9+11÷
19
11
-
11
19
2
9
×0.375÷
6
7
.
(1)
11
3
÷
5
6
×
15
11
,
=
11
3
×
6
5
×
15
11
,
=6;

(2)
7
15
÷5+
7
15
×0.8,
=
7
15
×
1
5
+
7
15
×0.8,
=
7
15
×(
1
5
+0.8),
=
7
15
×(0.2+0.8),
=
7
15
×1,
=
7
15
;

(3)(2-0.6)÷
7
15
,
=1.4×
15
7
,
=3;

(4)4÷(
1
2
+
3
4
×
1
5
),
=4÷(
1
2
+
3
20
),
=4÷
13
20
,
=4×
20
13
,
=
80
13
;

(5)
11
19
×9+11÷
19
11
-
11
19
,
=
11
19
×9+11×
11
19
-
11
19
,
=
11
19
×(9+11-1),
=
11
19
×19,
=11;

(6)
2
9
×0.375÷
6
7
,
=
2
9
×
3
8
×
6
7
,
=
1
14
.
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