Question

1- 7/4 (7supra4) va rog mult 15 puncte

Answer 1

$1 - \frac{7}{4} = \frac{4}{4} - \frac{7}{4} = - \frac{3}{4}$

Answer 2

1-7/4=4/4-7/4
NC=4
4/4-7/4=-3/4