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(8+8:8):9-9x(6-6:6):9+3x3x3 puteti sa ma ajutati
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Răspuns :

EvelinAnastasia
9:9-9X5:9+3x3x3
1-45:9+27
1-5+27
23
(8+8:8):9-9x(6-6:6):9+3x3x3=
=(8+1):9-9(6-1):9+27
=9:9-45:9+27
=1-5+27
=23