Theorem of the day 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20=210verdadero o falso Fibonacci sequence golden ratio 21 13 numbers number day theorem terms first spiral 1597 2584 system oro numero apa theory
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20=210verdadero o falso
Falso verdadero
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