Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 623 + 1 = ______
- 23 + 32 = _____
- 435 + 123 = _____
- 1872 + 111 = _____
(a)
623 + 1 = 624
(b)
23 + 32 = 55
(c)
435 + 123 = 558
(d)
1872 + 111 = 1983
Answer(s): 624, 55, 558, 1983