Rút gọn A
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Bài 5
1. Rút gọn: \( A = \left( 2 \left| \frac{1}{2} - \frac{3}{4} \right| + \sqrt{\frac{4}{9}} + \frac{2^2 \cdot 10 + 2^2 \cdot 6}{2^2 \cdot 15 - 2^6} \right) \cdot \left( 0 \cdot (3) - \frac{1}{4} - \frac{1}{12} \right)^{1023} \)