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Buna ,cum sa rezolv acest exercitiu
28+72:b+12=48
URGENT.multumesc


Răspuns :

28+72:b+12=48
28+72:b=48-12
28+72:b=36
72:b=36-28
72:b=8
b=72:8
b=9

28+72:b+12=48
28+72:b=48-12
28+72:b=36
72:b=36-28
72:b=8
b=72:8
b=9