Question

2. Calculati
a) (-7)+(+3)+(-1)
b) -51 - +2] +31-16
c) 11 -[-1 + 3-6-3-15) -
d) -15+2-1+17-(+14-31-​

Answer 1

Răspuns:

a. -7+3-1=-4-1=-5

-51-2+31-16=-34

11+22=33

3+17=20

ai scris cam incomplet ex , lipsesc paranteze..