Question

решить пример 2 3/7 + (-1 1/14)

Answer 1

2×3/7-11/14=6/7-11/14=12/14-11/14=1/14

Answer 2

$\frac{23}{7} + \frac{ - 11}{14} = \frac{46 - 11}{14} = \frac{35}{14} = \frac{5}{2} = 2.5$