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36:9+3x(50+3x400:8-98:2)


Răspuns :

36:9+3x(50+3x400:8-98:2)=457
=4+3x(50+1200:8-49)=
=4+3x(50+150-49)=
=4+3x(200-49)=
=4+3x151=
=4+453=
=457