Question

1. Solve the following making adjustment.
2
3
8
9
3
Ir
-
+
2
7
4
N
d
t
3
4
1
7
2
7
6
0
+
1
9
6
1
0
3
un
6
2
0
1
3
2
4
-
+ 3
6
2
10
5​

Answer 1

Answer:

124-421 ___________________