Question

puneti semnele potrivite(+,-,x,:),eventual paranteze pentru a obine egalitati:

8 8 8 8 8=7
8 8 8 8 8=9
8 8 8 8 8=10

Answer 1

(8:8)+(8:8)+8=1+1+8=10
8+8-(8:8)-8=16-1-8=7
8x8:8+8:8=9

Answer 2

8-8-(8:8)+8=7
8-8-1+8=7
0-1+8=7
-1+8=7
7=7

8:8+8-(8-8)=9
1+8-0=9
9-0=9
9=9

8+(8:8)+(8:8)=10
8+1+1=10
9+1=10
10=10 

Sper ca te-am ajutat.. Coroana?