Ετικέτα: Pollaplasiasmos me to 9

   0*9+1 = 1   0*9+8   = 8    92 = 81  01*9+2 = 11   09*9+7   = 88     992 = 9801  012*9+3 = 111   098*9+6   = 888  9992 = 998001  0123*9+4 = 1111   0987*9+5  = 8888  99992 = 99980001  01234*9+5 = 11111   09876*9+4  = 88888  999992 = 9999800001  ………………    

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