Zwei Zahlenwunder
Editionsrichtlinien:
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[230] Zwei Zahlenwunder. –
I.
1 x 9 + 2 = 11
12 x 9 + 3 = 111
123 x 9 + 4 = 1111
1234 x 9 + 5 = 11111
12345 x 9 + 6 = 111111
123456 x 9 + 7 = 1111111
1234567 x 9 + 8 = 11111111
12345678 x 9 + 9 = 111111111
II.
123456789 x 8 + 9 = 987654321
12345678 x 8 + 8 = 98765432
1234567 x 8 + 7 = 9876543
123456 x 8 + 6 = 987654
12345 x 8 + 5 = 98765
1234 x 8 + 4 = 9876
123 x 8 + 3 = 987
12 x 8 + 2 = 98
1 x 8 + 1 = 9
J. C.