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Legendedespremartie
a fost răspuns

(1/2:1/4-2(3)×5/7):0,(6)

Răspuns :

Iakabcristina2
(1/2 × 4 - 7/3 × 5/7 ) × 3/2 =
(2 - 5/3) × 3/2 =
1/3 × 3/2 =
1/2