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10. Calculati
a) 10² : (35-15²: 9) =
b)10² :(38-12² : 8) =
c)10² :(74-14² :4)=
d)10³ :(9+12² :9)=
e)10³ :(8+16² :8)=
f)10³ :(14+18² :9)

Dau coroana!!!!!​