👤

(7-5+6)-(9-10)+(6-2+7)=

Răspuns :

(7-5+6)-(9-10)+(6-2+7)

(2+6)-(-1)+(4+7)

8+1+11=20

(2+6)-(9-10)+(4+7)
8-(9-10)+11
9+11
20