Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- _____ - 11 = 77
- _____ - 54 = 31
- _____ - 22 = 14
- _____ - 41 = 33
(a)
11 + 77 = 88
(b)
54 + 31 = 85
(c)
22 + 14 = 36
(d)
41 + 33 = 74
Answer(s): 88, 85, 36, 74