8 4 62 5 9 20 120 3 9 43 1 23 56 12 20 30
1
.
-
6
+
=
14
2
.
-
+
11
=
20
3
.
-
22
+
40
=
4
.
-
74
+
=
117
5
.
-
4
-
3
=
6
.
-
-
28
=
28
7
.
-
46
-
38
=
8
.
-
66
-
=
43
9
.
-
x
5
=
20
10
.
-
5
x
6
=
11
.
-
15
x
=
135
12
.
-
x
20
=
400
13
.
-
15
/
5
=
14
.
-
/
6
=
20
15
.
-
30
/
6
=
16
.
-
60
/
=
3