8
IN ANSWERING QUESTIONS 1-69 AND
1-70, PERFORM THE INDICATED
OPERATION.
1-69. Add:
26018
+ 50358
1. 76368
2. 76408
3.
106368
4.
107008
1-70. Add:
23458
+ 76548
1.
101108
2.
107418
3.
105718
4.
122218
1-71. Which, if any, of the following is a
difference between subtracting octal
numbers and subtracting decimal
numbers?
1. The amount of the borrow
2. The octal minuend is converted to
decimal
3. The octal subtrahend is converted to
decimal
4. None; there is no difference
IN ANSWERING QUESTIONS 1-72
THROUGH 1-74, PERFORM THE
INDICATED OPERATION.
1-72. Subtract:
6468
4218
1.
1258
2.
2658
3.
2258
4.
22510
1-73. Subtract:
4218
2678
1.
1448
2.
2328
3.
1328
4.
1428
1-74. Subtract:
30008
- 7778
1.
20018
2.
20118
3.
21118
4.
20008