Răspuns :
9144-c×6+(100×25):25=6064
9144-c×6+2500:25=6064
9144-c×6+100=6064
9144-c×6=6064-100
9144-c×6=5964
Cred ca in continuare poti rezolva singur/a
9144-c×6+(3600:36×25):25=6064
9144-c×6+(100×25):25=6064
9144-c×6+2500:25=6064
9144-c×6+100=6064
9144-c×6=6064-100
9144-c×6=5964
c×6=9144-5964
c×6=3180
c=3180:6
c=530