Question

ajutooorrr dau coroana rapiddd​

Answer 1

2. 2x-3 </ x+1

2x-x </ 1+3

x </ 4

iar x apartine lui N deci x ={0,1,2,3,4}

4. 2*V5*V5- a =3

2*5 -a =3

10-a=3

a=10-3= 7