Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 429 - 7 = _____
- 36 - 11 = _____
- 938 - 426 = _____
- 7997 - 137 = _____
(a)
429 - 7 = 422
(b)
36 - 11 = 25
(c)
938 - 426 = 512
(d)
7997 - 137 = 7860
Answer(s): 422, 25, 512, 7860