Question

16) Calcule x + y + z para:

a) x = +10 , y = +12 , z = −15
B) x = −10 , y = −20 , z = −30
c) x = −20 , y = −40 , z = +30
d) x = +40 , y = −10 , z = +20

Answer 1

A)10+12+(-15)=22-15=7
B)(-10)+(-20)+(-30)=-60
C)(-20)+(-40)+30=-30
D)40+(-10)+20=50