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[(311+114-100):5+(70+84*5:4)]-230

Răspuns :

[(311+114-100):5+(70+84×5:4)]-230=
=[(425 - 100) : 5 + (70 +420 : 4)] - 230=
=[ 325 : 5 + ( 70 + 105 ) ] - 230=
=( 65 + 175) - 230=
=240 - 230=
=10