Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 45 = ?45
- 12 = 5?
- 57 = 1521 = ?63
- 12 = 24 = 6?
(a)
45 =
4 x 95 x 9 =
3645 (b)
12 =
1 x 52 x 5 =
510 (c)
57 =
1521 =
15 x 321 x 3 =
4563 (d)
12 =
24 =
1 x 62 x 6 =
612Answer(s): 36, 10, 45, 12