Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- _____ - 55 = 88
- _____ - 53 = 25
- _____ - 24 = 16
- _____ - 42 = 35
(a)
55 + 88 = 143
(b)
53 + 25 = 78
(c)
24 + 16 = 40
(d)
42 + 35 = 77
Answer(s): 143, 78, 40, 77