6,3-27+0,1/81-√ī

1) $$\sqrt[3]{-27} = -3$$

2) $$0.14\sqrt{81} = 0.14 \cdot 9 = 1.26$$

3) $$\sqrt{1} = 1$$

4) $$-3+1.26-1 = -2.74$$

Ответ: -2.74