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Va rog Frumos dau coronita
Calculati:


Va Rog Frumos Dau Coronita Calculati class=
Va Rog Frumos Dau Coronita Calculati class=

Răspuns :

B). ✔️50•72=✔️3600=60
E). ✔️13^2-12^2=✔️(13-12)•(13+12)=✔️1•25=✔️25=5
F). ✔️17^2-8^2=✔️(17-8)•(17+8=✔️9•25=3•5=15