Question

Ma puteti ajuta va rog la punctul C.? Dau coroana ! ​

Answer 1

Răspuns:

5+{-3+[-34+(28-10+5) + (-11+9-5)]-(-2)}

5+{-3+[-34+(18+5)+(-2-5)]+2}=

5+[-3+(-34+23-7)+2]=

5+[-3+(-11-7)+2]=

5+(-3-18+2)=

5+(-21+2)=

5-19=

-14