Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 522 + 1 = ______
- 21 + 34 = _____
- 532 + 125 = _____
- 1677 + 712 = _____
(a)
522 + 1 = 523
(b)
21 + 34 = 55
(c)
532 + 125 = 657
(d)
1677 + 712 = 2389
Answer(s): 523, 55, 657, 2389