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Efectueaza in doua moduri:
(150+120):3=
=
(150+120):3=
=
(143-24)*3=
=
(143-24)*3=
=


Răspuns :

(150+120):3=
270:3=90

(150+120):3=
(150:3)+(120:3)=
50+40=90

(143-24)x3=
119x3=357

(143-24)x3=
(143x3)-(24x3)=
429-72=357