题目内容

脱式计算,能简算的要简算.
1
4
+
1
8
+
1
16
)÷
1
24
1
5
×11-
5
9
×
3
4
-
5
9
×
1
4
12×(
2
3
+
1
4
-
1
6
1
12
+
3
47
)×12-36÷47
23-
8
9
×
3
4
÷
1
27
[1-(
1
4
+
3
8
)]÷
1
4
(1)(
1
4
+
1
8
+
1
16
)÷
1
24

=(
1
4
+
1
8
+
1
16
)×24,
=24×
1
4
+
1
8
×24+
1
16
×24,
=6+3+
3
2

=9+
3
2

=10
1
2


(2)
1
5
×11-
5
9
×
3
4
-
5
9
×
1
4

=(
1
5
×11)-[
5
9
×(
3
4
+
1
4
)],
=(
1
5
×11)-(
5
9
×1),
=
11
5
-
5
9

=
74
45


(3)12×(
2
3
+
1
4
-
1
6
),
=12×
2
3
+12×
1
4
-12×
1
6

=8+3-2,
=9;

(4)(
1
12
+
3
47
)×12-36÷47,
=
1
12
×12+
3
47
×12-36÷47,
=1+
36
47
-
36
47

=1+(
36
47
-
36
47
),
=1+0,
=1;

(5)23-
8
9
×
3
4
÷
1
27

=23-
2
3
÷
1
27

=23-18,
=5;

(6)[1-(
1
4
+
3
8
)]÷
1
4

=[1-
5
8
1
4

=
3
8
÷
1
4

=
3
2
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