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(180-3*10):5+24*9-(120-3124=

Răspuns :

(180-3*10):5+24*9-(120-312:4)=
(180-30):5+24*9-(120-78)=
150:5+24*9-42=
30+216-42=
246-42=
204
( 180-30):5+216-(120-78)=
=150:5+216-42= 
=30+216-42
=246-42
=204