Lesson 8
Octal Arithmetic
The sum gets a bonus
Page 261
Your answer :
1
3
28
2
0
78
6
4
28
+
2
1
78
+
7
0
28
+
2
4
68
3
5
18
1,
1
1
18
1,
1
1
08
⎫⎪⎬⎪⎭This set contains a mistake.
Here they are, showing the carries explicitly:
carries →
1
1
1
1
1
1
1
3
28
2
0
78
6
4
28
2
1
78
7
0
28
2
4
68
3
5
18
1,
1
1
18
1,
1
1
08
They’re all correct. Return to page 270 and look again.
