Evaluate :
1
5
-
[
1
7
+
3
0
÷
6
-
(
6
+
6
)
-
7
]
Match the items on the right to the items on the left.
Check
OK
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
15
-
[
17
+
30
÷
6
-
(
6
+
6
)
-
7
]
=
15
-
[
17
+
30
÷
6
-
12
-
7
]
=
15
-
[
17
+
5
-
12
-
7
]
=
15
-
[
22
-
19
]
=
15
-
3
=
12