8)raspuns corect c) 41/16
X=9/16+2
X=(9+16x2)/16
X=(9+32)/16
X=41/16
9)
[tex] \frac{5}{1} < \frac{z}{4} \leqslant 9[/tex]
Varianta d)
Deoarece
5<20/4 este falsa
5<24/4
5<6 adevarata
5<28/4
5<7 adevărat
5<32/4
5<8 adevărat
5<36/4mai mic sau egal 9 adevărat
