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Plss ajutorrrrrrrrrrrr​

Plss Ajutorrrrrrrrrrrr class=

Răspuns :

Răspuns:

a+b+c=1704

b=a+5

c=-b+5

a_

b_+5

c_+5+5=_+10

1.1704-(5+10)=1704-15=1689

2.1689:3=563(a)

3.563+5=568(b)

4.568+5=573(c)

Explicație: