Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- _____ - 44 = 55
- _____ - 53 = 45
- _____ - 21 = 13
- _____ - 55 = 24
(a)
44 + 55 = 99
(b)
53 + 45 = 98
(c)
21 + 13 = 34
(d)
55 + 24 = 79
Answer(s): 99, 98, 34, 79