Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- _____ - 22 = 77
- _____ - 35 = 13
- _____ - 23 = 11
- _____ - 54 = 43
(a)
22 + 77 = 99
(b)
35 + 13 = 48
(c)
23 + 11 = 34
(d)
54 + 43 = 97
Answer(s): 99, 48, 34, 97