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Afla terminu necunoscut..a+125=549. 567-b=345.c-85=914

Răspuns :

a+125=549
a=549-125
a=424
576-b=345
b=576-345
b=231
c-85=914
c=914+85
c=999
a=549-125
a=424
424+125=549

b=567-345
b=222
567-222=345

c=85+914
c=999
999-85=914