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m+(c-10):1=m
Aflati -l pe c.


Răspuns :

(c-10):1= m-m
(c-10):1=0
c-10=0×1
c-10=0
c=0+10
c=10
m+(c-10)÷1= m

(c-10)÷1= m-m

(c-10)÷1= 0

c-10= 0×1

c-10= 0

c= 0+10

c= 10.