Question

Спростити вираз :
1) $\frac{18}{19}$$x$*$\frac{19}{3}$$y$
2) 3$\frac{1}{4}$$x$*$2y$*7$\frac{1}{7} z$
СРОЧНОО!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ДАМ 40 БАЛЛОВ

Answer 1

1) $\frac{18}{19}$ x * $\frac{19}{3}$ y = $\frac{18x * 19y}{19*3}$ = 6xy

2) 3 $\frac{1}{4}$ x * 2y * 7 $\frac{1}{7}$ z = $\frac{13x * 2y*50z}{4*7}$ = $\frac{13x*y*25z}{7}$ = $\frac{325xyz}{7}$ = 46 $\frac{5xyz}{7}$