Test:
Fractions II - Challenging
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Question 1:
Solve:
(
1
4
−
1
5
)
⋅
(
2
3
−
1
4
)
A
5
48
B
1
48
C
5
12
D
5
20
Question 2:
Solve:
(
12
15
−
3
7
8
)
÷
(
2
5
−
8
9
)
A
6
51
176
B
5
123
176
C
−
1
31
176
D
6
1
5
Question 3:
Solve:
−
3
4
15
−
2
7
30
+
5
19
60
A
−
11
60
B
−
13
30
C
−
1
6
D
−
1
5
Question 4:
Solve:
4
7
18
−
3
5
9
+
1
1
3
A
2
B
1
2
3
C
2
1
3
D
2
1
6
Question 5:
Solve:
7
7
5
⋅
13
21
−
1
3
⋅
1
1
5
A
5
11
21
B
4
4
5
C
4
5
6
D
5
1
7
Question 6:
Solve:
(
1
3
8
−
3
4
)
(
2
25
−
4
5
)
A
17
25
B
−
3
10
C
−
9
20
D
−
1
2
Question 7:
Solve:
−
(
5
8
+
1
4
)
(
5
6
−
6
7
)
A
−
1
7
B
−
1
8
C
1
48
D
5
24
Question 8:
Solve:
(
2
1
3
+
1
1
5
+
2
15
)
:
5
A
13
15
B
2
3
C
11
15
D
4
5
Question 9:
Solve:
4
9
+
1
9
−
1
3
+
1
4
9
A
0
B
−
1
9
C
−
1
3
D
2
9
Question 10:
Solve:
(
1
5
)
2
+
(
2
5
)
2
−
(
3
5
)
2
A
−
4
25
B
1
5
C
−
1
5
D
0
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