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Bitanicolla
a fost răspuns

1. 3²+ (4×6)² + 2⁵×5² - 1=
2. 7×{7+7×[7⁶-(7²)³+11]}+2×7³-3×23
3. (9+3⁴÷9²)÷10+81×82÷41÷3³-(2013²⁰¹⁴)⁰
4. 18176÷71-3×(29×24-23×30)+11⁷÷11⁵
URGENTTTT!!!!DAU COROANĂĂ!!!!​