630 Вправа 630Алгебра 8 клас Бевз 2025 · § 13 · стор. 126

630. Обчисли значення виразу.

а) ${\displaystyle \sqrt{169}=}$${\displaystyle 13}$, бо ${\displaystyle 13^2=}$${\displaystyle 169}$;

б) ${\displaystyle \sqrt{256}=}$${\displaystyle 16}$, бо ${\displaystyle 16^2=}$${\displaystyle 256}$;

в) ${\displaystyle \sqrt{324}=}$${\displaystyle 18}$, бо ${\displaystyle 18^2=}$${\displaystyle 324}$;

г) ${\displaystyle \sqrt{361}=}$${\displaystyle 19}$, бо ${\displaystyle 19^2=}$${\displaystyle 361}$;

ґ) ${\displaystyle \sqrt{400}=}$${\displaystyle 20}$, бо ${\displaystyle 20^2=}$${\displaystyle 400}$;

д) ${\displaystyle \sqrt{900}=}$${\displaystyle 30}$, бо ${\displaystyle 30^2=}$${\displaystyle 900}$;

е) ${\displaystyle \sqrt{2500}=}$${\displaystyle 50}$, бо ${\displaystyle 50^2=}$${\displaystyle 2500}$;

є) ${\displaystyle \sqrt{3600}=}$${\displaystyle 60}$, бо ${\displaystyle 60^2=}$${\displaystyle 3600}$.