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Descopera valorile a,b,c,d
a+1=b
a=
b+1=c
b=
c+1=d
c=
a+1=6
d=


Răspuns :

d=6-1
d=5
c=d-1
C=5-1
C=4
B=c-1
B=4-1
B=3
A=b-1
A=3-1
A=2
A= b-1

b= c-1

c= D-1

A+1= 6 = b

b= 6

A= 6-1= 5

C= 6+1= 7

D= 7+1= 8