Question

7² +70² =. 8² +80=. 9+99=. 10+90=

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Answer 1

${7}^{2} + {70}^{2} = 49 + 4900 = 4949$

${8}^{2} + {80}^{2} = 64 + 6400 = 6464$

$9 + 99 = 108$

$10 + 90 = 100$

Answer 2

Ответ:

7²+70²=77². 8²+80=88². 9+99=108. 10+90=100