Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 56 = ?24
- 27 = 18?
- 13 = 515 = ?75
- 18 = 216 = 4?
(a)
56 =
5 x 46 x 4 =
2024 (b)
27 =
2 x 97 x 9 =
1863 (c)
13 =
515 =
5 x 515 x 5 =
2575 (d)
18 =
216 =
1 x 48 x 4 =
432Answer(s): 20, 63, 25, 32