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-14+{13-6×[20-7×(-3)]}:(233)=

Răspuns :

-14+{13-6*[20-7*(-3)]}:(233)=>-14+[13-6*(20+21)]:(233)=>-14+(13-6*41):(233)=>-14+(14-246):(233)=>-14+222:233=>-13,04