Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 57 = ?63
- 49 = 8?
- 56 = 1012 = ?24
- 17 = 214 = 8?
(a)
57 =
5 x 97 x 9 =
4563 (b)
49 =
4 x 29 x 2 =
818 (c)
56 =
1012 =
10 x 212 x 2 =
2024 (d)
17 =
214 =
1 x 87 x 8 =
856Answer(s): 45, 18, 20, 56