Question

calculati in modul cel mai  ifecient 

-3.72+5.26+2.72
(0.39-10.56)+10.56
-3.78+9.84+1.78-20.84 

Answer 1

-3.72+5.26+2.72=4,26

(0.39-10.56)+10.56=0,39

-3.78+9.84+1.78-20.84 =13