Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 416 - 1 = _____
- 34 - 12 = _____
- 639 - 322 = _____
- 1796 - 431 = _____
(a)
416 - 1 = 415
(b)
34 - 12 = 22
(c)
639 - 322 = 317
(d)
1796 - 431 = 1365
Answer(s): 415, 22, 317, 1365