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cum se calculeaza 324x27-40:5 (ax7-12)=8784?

Răspuns :


324x27-40:5+ (ax7-12)=8784
8748-8+ (ax7-12)=8784
8740+ (ax7-12)=8784
ax7-12=8784-8740
ax7-12=44
ax7=56
a=8