efectueaza 50:(3x3-3:3-3x3:3)=

Răspuns :

50:9-1-9:3
50:8-3
50:5
10
50:(3×3-3:3-3×3:3)=
=50:(9-1-9:3)=
=50:(9-1-3)=
=50:(8-3)=
=50:5=
=10