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a fost răspuns

3+3 ori [3+3:3 ori (3+3 ori 3)]:15

Răspuns :

3 + 3 × [ 3 + 3 ÷ 3 × (3 + 3 × 3)] ÷ 15 =

3 + 3 × [ 3 + 3 ÷ 3 × (3 + 9)] ÷ 15 =

3 + 3 × (3 + 3 ÷ 3 × 12) ÷ 15 =

3 + 3 × (3 + 1 × 12) ÷ 15 =

3 + 3 × (3 + 12) ÷ 15 =

3 + 3 × 15 ÷ 15 =

3 + 45 ÷ 15 =

3 + 3 =

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