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{[5:(2×3-1)+14]:15+3:[1+2×(45:15-2)]}:2=1

Răspuns :

{[5:(6-1)+14]:15+3:[1+2×(3-2)]}:2=1
[(5:5+14):15+3:(1+2×1)]:2=1
[(1+14):15+3:(1+2)]:2=1
(15:15+3:3):2=1
(1+1):2=1
2:2=1