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(A-613)×12-4-4524=51×100

Răspuns :

(A-613)x12=5100+4524+4=9628
A-613=9628:12=802,(3)
A=802,33+613=1415,(3)
12A-7356-4-4524=5100
12A= 11884+5100
12A= 16984
A= 16984:12
A= [tex] \frac{4246}{3} [/tex]