545° Вправа 545Алгебра 8 клас Тарасенкова 2025 · § 13 · стор. 160

545. Спростіть вираз:

1) ${\displaystyle \sqrt[3]{27}=}$${\displaystyle 3}$, бо ${\displaystyle 3^3=}$${\displaystyle 27}$;

2) ${\displaystyle \sqrt[3]{-125}=}$${\displaystyle -5}$, бо ${\displaystyle {(-5)}^3=}$${\displaystyle -125}$;

3) ${\displaystyle \sqrt[3]{64}=}$${\displaystyle 4}$, бо ${\displaystyle 4^3=}$${\displaystyle 64}$;

4) ${\displaystyle \sqrt[3]{1000}=}$${\displaystyle 10}$, бо ${\displaystyle {10}^3=}$${\displaystyle 1000}$;

5) ${\displaystyle \sqrt[3]{1}=}$${\displaystyle 1}$, бо ${\displaystyle 1^3=}$${\displaystyle 1}$;

6) ${\displaystyle \sqrt[3]{0,008}=}$${\displaystyle 0,2}$, бо ${\displaystyle {0,2}^3=}$${\displaystyle 0,008}$;

7) ${\displaystyle \sqrt[3]{27000}=}$${\displaystyle 30}$, бо ${\displaystyle {30}^3=}$${\displaystyle 27000}$;

8) ${\displaystyle \sqrt[3]{0,064}=}$${\displaystyle 0,4}$, бо ${\displaystyle {0,4}^3=}$${\displaystyle 0,064}$.