Question

Вычислите: (1/3)-¹ - (-6/7)⁰ + (1/2)² :​

Answer 1

Ответ:

Объяснение:

(1/3)⁻¹-(-6/7)⁰+(1/2)²÷2=3-1 +1/4 ·1/2=2 +1/8=2 1/8=2,125

Answer 2

$\displaystyle\bf\\\Big(\dfrac{1}{3} \Big)^{-1} -\Big(-\dfrac{6}{7} \Big)^\circ+\Big(\dfrac{1}{2} \Big)^{2} :2=3-1+\dfrac{1}{4} \cdot\dfrac{1}{2} =2+\dfrac{1}{8}=2+0,125=2,125$