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[(54-m):5+27-7]:5=6






va rog sa imi explicati


Răspuns :

[(54-m):5+27-7]:5=6
(54-m)/5+20=6•5
(54-m)/5=30-20
(54-m)/5=10
54-m=10•5
54-m=50
-m=50-54
-m=-4
m=4