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{2+2x[126+10x(24+24:2-6)]}:2-307

Răspuns :

{2+2×[126+10×(24+24:2-6)]}:2-397=
={2+2×[126+10×(34+12-6)]}:2-307=
={2+2×[126+10×(46-5)]}:2-307=
={2+2×[126+10×41]}:2-307=
={2+2×[126+410]}:2-307={2+2×635}:2-307=
={2+1270}:2-307=
=1272:2-307=
=636-307=
=329