631 Вправа 631Алгебра 8 клас Бевз 2025 · § 13 · стор. 127

631. Обчисли значення виразу.

а) ${\displaystyle \sqrt{121}=}$${\displaystyle 11}$, бо ${\displaystyle 11^2=}$${\displaystyle 121}$;

б) ${\displaystyle \sqrt{196}=}$${\displaystyle 14}$, бо ${\displaystyle 14^2=}$${\displaystyle 196}$;

в) ${\displaystyle \sqrt{225}=}$${\displaystyle 15}$, бо ${\displaystyle 15^2=}$${\displaystyle 225}$;

г) ${\displaystyle \sqrt{625}=}$${\displaystyle 25}$, бо ${\displaystyle 25^2=}$${\displaystyle 625}$;

ґ) ${\displaystyle \sqrt{100}=}$${\displaystyle 10}$, бо ${\displaystyle 10^2=}$${\displaystyle 100}$;

д) ${\displaystyle \sqrt{10000}=}$${\displaystyle 100}$, бо ${\displaystyle 100^2=}$${\displaystyle 10000}$;

е) ${\displaystyle \sqrt{1600}=}$${\displaystyle 40}$, бо ${\displaystyle 40^2=}$${\displaystyle 1600}$;

є) ${\displaystyle \sqrt{2500}=}$${\displaystyle 50}$, бо ${\displaystyle 50^2=}$${\displaystyle 2500}$.