Question

Решить уравнения X+1/2X+1/3X+1/4X=1

Answer 1

Ответ:

$x \times 12+ \frac{1}{2} x \times 6 + \frac{1}{3}x \times 4 + \frac{1}{4} x \times 3 = 1 \times 12 \\ 12x + 6x + 4x + 3 x = 12 \\ 24x = 12 \\ x = 0.5$