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T) Indicā, dupā model, ordinea efectuārii operatiilor. 25-8 x 17+ 60:2 a. 39 + 15 ×9 (3) 1 4 2 b.9× 13+ 20 × 3 000 c. 86:2 × 9 – 7 × (43 – 12) O ර් 5​