Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 421 + 2 = ______
- 21 + 33 = _____
- 330 + 127 = _____
- 2574 + 610 = _____
(a)
421 + 2 = 423
(b)
21 + 33 = 54
(c)
330 + 127 = 457
(d)
2574 + 610 = 3184
Answer(s): 423, 54, 457, 3184