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cat face (64:8+10x6+b):[72:4-(6x10-53)]=7
trebuie sa aflu cat face b


Răspuns :

Răspuns:

(64:8+10x6+b):[72:4-(6x10-53)]=7

(8+60+b) :[18-(60-53)]=7

(68+b):(18-7)=7

(68+b):11=7

(68+b)=7×11

68+b=77

b=77-68

b=9