Name:
Date:
Simplify.
1)
4
[
3
1
2
-4
6
3
]
2)
[
9
2
]
+
[
-6
-10
]
3)
[
7
10
-7
-4
-12
-3
]
+
[
2
-3
12
3
10
7
]
4)
[
-6
4
-10
6
-2
5
]
-
[
2
-4
-20
3
1
-2
]
5)
[
6
7
4
-3
4
2
]
+
10
[
-2
3
4
2
-4
-3
]
6)
6
[
-2
3
-4
]
7)
-10
[
-4
0
0
7
]
8)
[
10
9
8
4
]
-
[
-4
0
2
-7
]
-
[
10
10
-4
-3
]
9)
-3
[
4
2
-8
6
-2
-10
]
10)
[
6
4
-3
-4
-10
-2
]
+
[
5
-2
7
2
5
8
]
11)
7
[
-3
4
-5
]
12)
-2
(
[
10
-4
6
]
+
[
7
2
4
]
)
13)
6
[
10
20
]
14)
[
2
3
4
-2
6
3
]
+
5
[
-4
3
2
5
-3
-1
]
15)
[
2
-3
-4
]
+
[
4
-2
-3
]
16)
[
2
-4
-6
]
+
[
3
-2
-4
]
17)
[
9
7
10
3
]
-
[
-10
0
3
-6
]
-
[
9
11
-3
-4
]
18)
8
[
2
4
]
19)
-5
[
2
1
-1
3
-2
-4
]
20)
[
-7
4
-7
3
-4
2
]
-
[
4
-2
-10
1
3
-3
]
Answers:
1)
[
12
4
8
-16
24
12
]
2)
[
3
-8
]
3)
[
9
7
5
-1
-2
4
]
4)
[
-8
8
10
3
-3
7
]
5)
[
-14
37
44
17
-36
-28
]
6)
[
-12
18
-24
]
7)
[
40
0
0
-70
]
8)
[
4
-1
10
14
]
9)
[
-12
-6
24
-18
6
30
]
10)
[
11
2
4
-2
-5
6
]
11)
[
-21
28
-35
]
12)
[
-34
4
-20
]
13)
[
60
120
]
14)
[
-18
18
14
23
-9
-2
]
15)
[
6
-5
-7
]
16)
[
5
-6
-10
]
17)
[
10
-4
10
13
]
18)
[
16
32
]
19)
[
-10
-5
5
-15
10
20
]
20)
[
-11
6
3
2
-7
5
]
