546° Вправа 546Алгебра 8 клас Тарасенкова 2025 · § 13 · стор. 160

546. Спростіть вираз:

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

2) ${\displaystyle \sqrt[3]{-8}=}$${\displaystyle -2}$, бо ${\displaystyle {(-2)}^3=}$${\displaystyle -8}$;

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

4) ${\displaystyle \sqrt[3]{1000000}=}$${\displaystyle 100}$, бо ${\displaystyle {100}^3=}$${\displaystyle 1000000}$;

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

6) ${\displaystyle \sqrt[3]{0,125}=}$${\displaystyle 0,5}$, бо ${\displaystyle {0,5}^3=}$${\displaystyle 0,125}$.