Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- _____ - 11 = 99
- _____ - 44 = 32
- _____ - 23 = 12
- _____ - 51 = 21
(a)
11 + 99 = 110
(b)
44 + 32 = 76
(c)
23 + 12 = 35
(d)
51 + 21 = 72
Answer(s): 110, 76, 35, 72