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Andreiminoiu123
a fost răspuns

aflati nr necunoscut [(72+24:3):2-a]=(6×11-2):8+2×2×5-3

Răspuns :

Mihaelakuron
[(72+24:3):2-a]=(6×11-2):8+2×2×5-3
[(72+8):2-a]=(66-2):8+4×5-3
(80:2-a)=64:8+20-3
40-a=8+20-3
40-a=28-3
40-a=25
a = 40-25
a =15

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