No 27

NINE DIGITS

The nine digits are: 1, 2, 3, 4, 5, 6, 7, 8 and 9 (0 is still on holiday)

What is special about these multiplications?

12 x 483 = 5796	27 x 198 = 5346
42 x 138 = 5796	39 x 186 = 7254

Now calculate these:

18 x 297	48 x 159	28 x 157
4 x 1738	4 x 1963	are there others?

Now calculate these and look carefully at the answers and be amazed:

3 x 51249876	9 x 16583742
6 x 32547891	are there others?

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E-mail us at madrascollege.maths@fife.gov.uk

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