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a.b-a.c=1440si a=45,calculati b-c

Răspuns :

ab-ac=1440
a(b-c)=1440
45(b-c)=1440
b-c=1440/45
b-c=32
ab-ac=1440
a(b-c)=1440
45(b-c)=1440
b-c=32