Question

ex 12)
va rog
repede
dau coroana

Answer 1

a)  x = 8-3(21-19)

x=8-3·2

x=8-6

x=2

y = 1+124:41     (aducem la acelasi numitor)

y=165:41

x+y=2+165:41   (aducem la acelasi numitor)

x+y = 247:41

b) $x^{y}$ = $2^{\frac{165}{41}}$