Question

20. Ştiind că a = -5, b = 3, c = -2 şi d=-1, calculaţi:
a) a+b+c+d;
d) a-b-c+d;
g)-a-b-c+d;
b) a+b-c-d;
e) a-b-c-d;
h)-a-b-c-d;
c) a-b+c+d;
f)-a+b+c-d;
i)-a+b-c+d. ​

Answer 1

a) -5+3-2-1=-5

d)-5-3+2-1=-7

g)+5-3+2-1=3

b)-5+3+2+1=1

e)-5-3+2+1=-5

h)+5-3+2+1=5

c)-5-3-2-1=-11

f)+5+3-2+1=7

i)+5+3+2-1=9