题目内容
7 |
8 |
15 |
32 |
5 |
8 |
3 |
16 |
(
4 |
3 |
1 |
5 |
1 |
4 |
4 |
15 |
4 |
5 |
5 |
18 |
3 |
7 |
7 |
9 |
7 |
8 |
7 |
8 |
3 |
4 |
4 |
5 |
6×(
2 |
15 |
1 |
12 |
1 |
8 |
2-
5 |
9 |
2 |
3 |
1 |
6 |
7 |
3 |
3 |
5 |
9 |
20 |
8 |
23 |
〔2-(
8 |
5 |
1 |
3 |
4 |
15 |
1-(
5 |
8 |
3 |
2 |
1 |
4 |
5 |
7 |
8 |
9 |
7 |
8 |
7 |
5 |
5 |
7 |
(1-
1 |
3 |
4 |
7 |
3 |
10 |
(
3 |
5 |
3 |
5 |
5 |
9 |
4 |
9 |
〔
5 |
6 |
3 |
4 |
1 |
2 |
7 |
15 |
15 |
16 |
2 |
3 |
1 |
2 |
(
21 |
26 |
13 |
7 |
1 |
2 |
5 |
9 |
17 |
24 |
1 |
5 |
24 |
7 |
4 |
7 |
5 |
6 |
4 |
5 |
7 |
16 |
〔4-(
3 |
4 |
3 |
8 |
1 |
8 |
8 |
15 |
5 |
32 |
9 |
10 |
1 |
6 |
3-
5 |
18 |
27 |
40 |
13 |
16 |
2 |
21 |
3 |
4 |
2 |
3 |
6 |
7 |
分析:根据题意,根据分数四则混合运算的计算即可.
解答:解:
-
÷
+
=
-
×
+
=
-
+
=
-
+
=
;
(
-
×
)÷
=(
-
)×
=
×
-
×
=5-
=4
;
×
+
+
=
+
+
=
+
+
=1+
=1
;
÷[(
-
)×
]
=
÷[(
-
)×
]
=
÷[
×
]
=
÷
=
×10
=
=8
;
6×(
+
)-
=6×
+6×
-
=
+
-
=
+
-
=
=1
;
2-
÷
-
=2-
×
-
=2-
-
=2-(
+
)
=2-1
=1;
-(
÷
+
)
=
-(
×
+
)
=
-(
+
)
=
-
-
=1-
=
;
[2-(
+
)]÷
=[2-(
+
)]÷
=[
-
]÷
=
÷
=
×
=
;
1-(
÷
+
)
=1-(
×
+
)
=1-(
+
)
=1-
=1-
=
;
÷
+
÷
-
=
×
+
×
-
=
×(
+
-1)
=
×1
=
;
(1-
÷
)×
=(1-
×
)×
=(1-
)×
=
×
=
;
(
-
×
)÷
=
×(1-
)×
=
×
×
=
;
[
-(
-
)]÷
=[
-(
-
)]÷
=[
-
+
]÷
=
×
=
=1
;
×[1÷(
+
)]
=
×[1÷(
+
)]
=
×[1÷
]
=
×1×
=
;
(
×
+
)÷
=(
×
+
)÷
=(
+
)×
=2×
=
=3
;
÷5+
÷
+0.2
=
×
+
×
+
=
×(
+
+1)
=
×2
=
;
÷[(
-
)÷
]
=
÷[(
-
)×
]
=
÷
=
×
=
=7
;
[4-(
-
)]÷
=[4-(
-
)]÷
=[4-
]÷
=[4-
]×8
=4×8-
×8
=32-3
=29;
÷[
×(
+
)]
=
÷[
×(
+
)]
=
÷[
×
]
=
÷
=
×6
=
=3
;
3-
×
-
=3-
-
=3-(
+
)
=3-1
=2;
7 |
8 |
15 |
32 |
5 |
8 |
3 |
16 |
=
7 |
8 |
15 |
32 |
8 |
5 |
3 |
16 |
=
7 |
8 |
3 |
4 |
3 |
16 |
=
14 |
16 |
12 |
16 |
3 |
16 |
=
5 |
16 |
(
4 |
3 |
1 |
5 |
1 |
4 |
4 |
15 |
=(
4 |
3 |
1 |
20 |
15 |
4 |
=
4 |
3 |
15 |
4 |
1 |
20 |
15 |
4 |
=5-
3 |
16 |
=4
13 |
16 |
4 |
5 |
5 |
18 |
3 |
7 |
7 |
9 |
=
2 |
9 |
3 |
7 |
7 |
9 |
=
2 |
9 |
7 |
9 |
3 |
7 |
=1+
3 |
7 |
=1
3 |
7 |
7 |
8 |
7 |
8 |
3 |
4 |
4 |
5 |
=
7 |
8 |
7 |
8 |
6 |
8 |
4 |
5 |
=
7 |
8 |
1 |
8 |
4 |
5 |
=
7 |
8 |
1 |
10 |
=
7 |
8 |
=
35 |
4 |
=8
3 |
4 |
6×(
2 |
15 |
1 |
12 |
1 |
8 |
=6×
2 |
15 |
1 |
12 |
1 |
8 |
=
4 |
5 |
1 |
2 |
1 |
8 |
=
32 |
40 |
20 |
40 |
5 |
40 |
=
47 |
40 |
=1
7 |
40 |
2-
5 |
9 |
2 |
3 |
1 |
6 |
=2-
5 |
9 |
3 |
2 |
1 |
6 |
=2-
5 |
6 |
1 |
6 |
=2-(
5 |
6 |
1 |
6 |
=2-1
=1;
7 |
3 |
3 |
5 |
9 |
20 |
8 |
23 |
=
7 |
3 |
3 |
5 |
20 |
9 |
8 |
23 |
=
7 |
3 |
4 |
3 |
8 |
23 |
=
7 |
3 |
4 |
3 |
8 |
23 |
=1-
8 |
23 |
=
15 |
23 |
[2-(
8 |
5 |
1 |
3 |
4 |
15 |
=[2-(
24 |
15 |
5 |
15 |
4 |
15 |
=[
30 |
15 |
29 |
15 |
4 |
15 |
=
1 |
15 |
4 |
15 |
=
1 |
15 |
15 |
4 |
=
1 |
4 |
1-(
5 |
8 |
3 |
2 |
1 |
4 |
=1-(
5 |
8 |
2 |
3 |
1 |
4 |
=1-(
5 |
12 |
3 |
12 |
=1-
8 |
12 |
=1-
2 |
3 |
=
1 |
3 |
5 |
7 |
8 |
9 |
7 |
8 |
7 |
5 |
5 |
7 |
=
5 |
7 |
9 |
8 |
7 |
8 |
5 |
7 |
5 |
7 |
=
5 |
7 |
9 |
8 |
7 |
8 |
=
5 |
7 |
=
5 |
7 |
(1-
1 |
3 |
4 |
7 |
3 |
10 |
=(1-
1 |
3 |
7 |
4 |
3 |
10 |
=(1-
7 |
12 |
3 |
10 |
=
5 |
12 |
3 |
10 |
=
1 |
8 |
(
3 |
5 |
3 |
5 |
5 |
9 |
4 |
9 |
=
3 |
5 |
5 |
9 |
9 |
4 |
=
3 |
5 |
4 |
9 |
9 |
4 |
=
3 |
5 |
[
5 |
6 |
3 |
4 |
1 |
2 |
7 |
15 |
=[
10 |
12 |
9 |
12 |
6 |
12 |
7 |
15 |
=[
10 |
12 |
9 |
12 |
6 |
12 |
7 |
15 |
=
7 |
12 |
15 |
7 |
=
5 |
4 |
=1
1 |
4 |
15 |
16 |
2 |
3 |
1 |
2 |
=
15 |
16 |
4 |
6 |
3 |
6 |
=
15 |
16 |
7 |
6 |
=
15 |
16 |
6 |
7 |
=
45 |
56 |
(
21 |
26 |
13 |
7 |
1 |
2 |
5 |
9 |
=(
21 |
26 |
13 |
7 |
1 |
2 |
5 |
9 |
=(
3 |
2 |
1 |
2 |
9 |
5 |
=2×
9 |
5 |
=
18 |
5 |
=3
3 |
5 |
17 |
24 |
1 |
5 |
24 |
7 |
=
17 |
24 |
1 |
5 |
1 |
5 |
7 |
24 |
1 |
5 |
=
1 |
5 |
17 |
24 |
7 |
24 |
=
1 |
5 |
=
2 |
5 |
4 |
7 |
5 |
6 |
4 |
5 |
7 |
16 |
=
4 |
7 |
25 |
30 |
24 |
30 |
16 |
7 |
=
4 |
7 |
8 |
105 |
=
4 |
7 |
105 |
8 |
=
15 |
2 |
=7
1 |
2 |
[4-(
3 |
4 |
3 |
8 |
1 |
8 |
=[4-(
6 |
8 |
3 |
8 |
1 |
8 |
=[4-
3 |
8 |
1 |
8 |
=[4-
3 |
8 |
=4×8-
3 |
8 |
=32-3
=29;
8 |
15 |
5 |
32 |
9 |
10 |
1 |
6 |
=
8 |
15 |
5 |
32 |
27 |
30 |
5 |
30 |
=
8 |
15 |
5 |
32 |
32 |
30 |
=
8 |
15 |
1 |
6 |
=
8 |
15 |
=
16 |
5 |
=3
1 |
5 |
3-
5 |
18 |
27 |
40 |
13 |
16 |
=3-
3 |
16 |
13 |
16 |
=3-(
3 |
16 |
13 |
16 |
=3-1
=2;
2 |
21 |