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a fost răspuns

(a+74×5):(542-502)×2-12=8

Răspuns :

Coco0987
(a+74×5):(542-502)×2-12=8
(a+370):40×2-12=8
(a+370):80-12=8
(a+370):80=8+12
(a+370):80=20
a+370=20x80
a+370=1600
a=1600-370
a=1230
succes