copleteaza casutele cu numerele coresponzatoare :3+3+3+3+3= ×3;6+6+6=3× ;4×3= + + ;2×8= +;3×9= ×3;4×5×2=5× ×2= ×4×5;3×4×5=( ×4)×5=3×( × ). Va rog urgent.