522° Вправа 522Алгебра 8 клас Тарасенкова 2025 · § 13 · стор. 156

522. Знайдіть значення виразу:

1) ${\displaystyle \sqrt{4}+\sqrt{9}=}$${\displaystyle 2+3=}$${\displaystyle 5}$;

2) ${\displaystyle \sqrt{4}-\sqrt{64}=}$${\displaystyle 2-8=}$${\displaystyle -6}$;

3) ${\displaystyle \sqrt{16}:\sqrt{4}+2=}$${\displaystyle 4:2+2=}$${\displaystyle 2+2=}$${\displaystyle 4}$;

4) ${\displaystyle \sqrt{4}\cdot \sqrt{64}=}$${\displaystyle 2\cdot 8=}$${\displaystyle 16}$;

5) ${\displaystyle \sqrt{100}\cdot \sqrt{4}=}$${\displaystyle 10\cdot 2=}$${\displaystyle 20}$;

6) ${\displaystyle \sqrt{0}\cdot \sqrt{81}+4\sqrt{16}=}$${\displaystyle 0\cdot 9+4\cdot 4=}$${\displaystyle 0+16=}$${\displaystyle 16}$;

7) ${\displaystyle \sqrt{4}\cdot 2+3\cdot \sqrt{16}=}$${\displaystyle 2\cdot 2+3\cdot 4=}$${\displaystyle 4+12=}$${\displaystyle 16}$;

8) ${\displaystyle \sqrt{36}\cdot 2:\sqrt{9}=}$${\displaystyle 6\cdot 2:3=}$${\displaystyle 12:3=}$${\displaystyle 4}$.