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La beauté des maths

La beauté des maths. 1 x 8 + 1 = 9 12 x 8 + 2 = 9 8 123 x 8 + 3 = 9 8 7 1234 x 8 + 4 = 9 8 7 6 12345 x 8 + 5 = 9 8 7 6 5 123456 x 8 + 6 = 9 8 7 6 5 4 1234567 x 8 + 7 = 9 8 7 6 5 4 3 12345678 x 8 + 8 = 9 8 7 6 5 4 3 2 123456789 x 8 + 9 = 9 8 7 6 5 4 3 2 1.

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La beauté des maths

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  1. La beauté des maths

  2. 1 x 8 + 1 = 912 x 8 + 2 = 98123 x 8 + 3 = 9871234 x 8 + 4 = 987612345 x 8 + 5 = 98765123456 x 8 + 6 = 9876541234567 x 8 + 7 = 987654312345678 x 8 + 8 = 98765432123456789 x 8 + 9 = 987654321

  3. 1 x 9 + 2 = 1112 x 9 + 3 = 111123 x 9 + 4 = 11111234 x 9 + 5 = 1111112345 x 9 + 6 = 111111123456 x 9 + 7 = 11111111234567 x 9 + 8 = 1111111112345678 x 9 + 9 = 111111111123456789 x 9 +10= 1111111111

  4. 9 x 9 + 7 = 8898 x 9 + 6 = 888987 x 9 + 5 = 88889876 x 9 + 4 = 8888898765 x 9 + 3 = 888888987654 x 9 + 2 = 88888889876543 x 9 + 1 = 8888888898765432 x 9 + 0 = 888888888 Brillant n’est ce pas ?

  5. Et regarder la symétrie 1 x 1 = 111 x 11 = 121111 x 111 = 123211111 x 1111 = 123432111111 x 11111 = 123454321111111 x 111111 = 123456543211111111 x 1111111 = 123456765432111111111 x 11111111 = 123456787654321111111111 x 111111111 = 12345678987654321

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