Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- _____ - 44 = 77
- _____ - 63 = 12
- _____ - 26 = 14
- _____ - 54 = 21
(a)
44 + 77 = 121
(b)
63 + 12 = 75
(c)
26 + 14 = 40
(d)
54 + 21 = 75
Answer(s): 121, 75, 40, 75