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Afla numarul x care verifica egalitatea (x+20)-120:6*10=1000


Răspuns :

(x+20)-120:6=100
(x+20)-120=600
x+20=720
x=700
Coroana?
(x+20)-120:60=1000
(x+20)-2=1000
x+20=1002
x=982