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scrieti 5^200 ca suma de doua patrate perfecte

Răspuns :

Răspuns:

(3*5^99)²+(4*5^99)²

Explicație pas cu pas:

5^200=5^198*5²=5^198(3²+4²)=3²*5^198+4²85^198=(3*5^99)²+(4*5^99)²

(5^99×4)^2+(5^99×3)^2=(5^198×16+5^198×9)=5^198×(16+9)=5^198×25=5^189×5^2=5^200 => corect