Question

1+2+3+4+5+6+7+8+9+8+7+6+5+4+3+2+1​

Answer 1

Resposta:

1+2+3+4+5+6+7+8+9+8+7+6+5+4+3+2+1 = 81

Answer 2

Resposta:

1+2+3+4+5+6+7+8+9+8+7+6+5+4+3+2+1 =  81