Question

Спростити 1/4+3/12-1/7

Answer 1

$\frac{1}{4} + \frac{3}{12} - \frac{1}{7} = \frac{1}{4} + \frac{1}{4} - \frac{1}{7} = \frac{2}{4} - \frac{1}{7} = \frac{1}{2} - \frac{1}{7} = \frac{1 \times 7}{2 \times 7} - \frac{1 \times 2}{7 \times 2} = \frac{7}{14} - \frac{2}{14} = \frac{5}{14}$

Answer 2

Ответ:

Пошаговое объяснение:

1/4+3/12-1/7=(21+21-12)/84=30/84=5/14