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(70:7+3-2-2x6)x(10:10)=27:3:a​

Răspuns :

Răspuns:

(70:7+3-2-2x6)x(10:10)=27:3:a

(10+3-2-12)x1=9:a

(13-10)x1=9:a

3x1=9:a

3=9:a

9:3=a

3=a