a.x=4,5,6,7,8,9
b. 1052406
c. o suta cinzeci si patru de mii cinci
2. a. 1092
b. 20
c.
3. a....2; b.....1; c......4; d....27
4. 28*(787-738)=28*49=1372, 103+1025:5=103+205=308,
(25+ 32)*3-1= 57*3-1=171-1=170
5. Mercur
pluto,
c. mercur, venus, pamant, marte, jupiter, saturn, uranus, neptun, pluto
