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A. {[(a+3)x3+3]x3+3 }×3+3=120
B. 10 x{a-10 x [362 + 10 x ( 24+24:4)]} = 100
C. [(a+537:3) - 369] : [1035 : 3-(2681 + 417 × 28- 14019)] =26​

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Camysweety2011ask

Răspuns:

A [(3a×3+3)×3+3]×3+3=120

[(9a+3)×3+3]×3+3=120

(12a×3+3)×3+3=120

(36a+3)×3+3=120

39a×3+3=120

117a+3=120

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