第2个回答 2019-05-22
1.
3/7
×
49/9
-
4/3
2.
8/9
×
15/36
+
1/27
3.
12×
5/6
–
2/9
×3
4.
8×
5/4
+
1/4
5.
6÷
3/8
–
3/8
÷6
6.
4/7
×
5/9
+
3/7
×
5/9
7.
5/2
-(
3/2
+
4/5
)
8.
7/8
+
(
1/8
+
1/9
)
9.
9
×
5/6
+
5/6
10.
3/4
×
8/9
-
1/3
11.
7
×
5/49
+
3/14
12.
6
×(
1/2
+
2/3
)
13.
8
×
4/5
+
8
×
11/5
14.
31
×
5/6
–
5/6
15.
9/7
-
(
2/7
–
10/21
)
16.
5/9
×
18
–
14
×
2/7
17.
4/5
×
25/16
+
2/3
×
3/4
18.
14
×
8/7
–
5/6
×
12/15
19.
17/32
–
3/4
×
9/24
20.
3
×
2/9
+
1/3
21.
5/7
×
3/25
+
3/7
22.
3/14
××
2/3
+
1/6
23.
1/5
×
2/3
+
5/6
24.
9/22
+
1/11
÷
1/2
25.
5/3
×
11/5
+
4/3
26.
45
×
2/3
+
1/3
×
15
27.
7/19
+
12/19
×
5/6
28.
1/4
+
3/4
÷
2/3
29.
8/7
×
21/16
+
1/2
30.
101
×
1/5
–
1/5
×
21
31.50+160÷40
(58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42
420+580-64×21÷28
37.812-700÷(9+31×11)
(136+64)×(65-345÷23)
38.85+14×(14+208÷26)
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37)÷(64-9×5)
42.(6.8-6.8×0.55)÷8.5
43.0.12×
4.8÷0.12×4.8
44.(3.2×1.5+2.5)÷1.6
(2)3.2×(1.5+2.5)÷1.6
45.6-1.6÷4=
5.38+7.85-5.37=
46.7.2÷0.8-1.2×5=
6-1.19×3-0.43=
47.6.5×(4.8-1.2×4)=
0.68×1.9+0.32×1.9
48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
36+59+41+54
23×7+23×3
1462-369-631
60506-19460÷35
23072÷412×65
184×38+116×38-11300
(79691-46354)÷629
325÷13×(266-250)
74+100÷5×3
(440-280)×(300-260)
100+25×3-90
12)90÷2+136
70×74+100÷5
38+116×7+23
369-(631
÷5)×3
3/7
×
49/9
-
4/3
8/9
×
15/36
+
1/27
12×
5/6
–
2/9
×3
8×
5/4
+
1/4
.6÷
3/8
–
3/8
÷6
4/7
×
5/9
+
3/7
×
5/9
5/2
-(
3/2
+
4/5
)
7/8
+
(
1/8
+
1/9
)
9
×
5/6
+
5/6
3/4
×
8/9
-
1/3
7
×
5/49
+
3/14
6
×(
1/2
+
2/3
)
8
×
4/5
+
8
×
11/5
31
×
5/6
–
5/6
9/7
-
(
2/7
–
10/21
)
5/9
×
18
–
14
×
2/7
4/5
×
25/16
+
2/3
×
3/4
14
×
8/7
–
5/6
×
12/15
17/32
–
3/4
×
9/24
3
×
2/9
+
1/3
5/7
×
3/25
+
3/7
3/14
××
2/3
+
1/6
1/5
×
2/3
+
5/6
9/22
+
1/11
÷
1/2
5/3
×
11/5
+
4/3
45
×
2/3
+
1/3
×
15
7/19
+
12/19
×
5/6
1/4
+
3/4
÷
2/3
8/7
×
21/16
+
1/2
101
×
1/5
–
1/5
x99