Question

Am nevoie de ajutor aici, va rog.
cerinta este completati spatiile punctate si simplificati rezultatele:
a) -9/5*(-75/27)=...............?
b) 17/38*12/34*(-9/2)=..............?
I need ! explicati-mi ! e vacanta --am uitat!

Answer 1

$a) -\frac{9}{5} * (- \frac{75}{27})= + \frac{15}{3}=5 \\ \\ b) \frac{17}{3} * \frac{12}{34} * (-\frac{9}{2})= \frac{2}{2} * (-\frac{9}{2})= 1* -\frac{9}{2}= -\frac{9}{2}$