Tính

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1) A = \( \left( 3.5 \cdot 81 + 1 - \frac{1}{2} - \frac{1}{6} - (1.048 - \frac{2}{7}) + \frac{1}{3} \cdot 1.265 \right) + \frac{1}{25} - 0.64 \)

2) \( \text{m} = \text{Jin} \)