Tính: A = \(\left(3.81 + \frac{1}{2} - \frac{1}{6} + \frac{1}{7}\right)\) + \(\left(\frac{(1,048 - 355)}{7}\right)\) + \(\left(\frac{1}{\frac{1}{3} - 0.265}\right)\), y = \(\frac{96.1}{\frac{1}{2} - \frac{1}{4}}\)

----- Nội dung ảnh -----
1. A = \(\left(3.81 + \frac{1}{2} - \frac{1}{6} + \frac{1}{7}\right)\) + \(\left(\frac{(1,048 - 355)}{7}\right)\) + \(\left(\frac{1}{\frac{1}{3} - 0.265}\right)\)

2. y = \(\frac{96.1}{\frac{1}{2} - \frac{1}{4}}\)

3. \(\frac{36}{\frac{1}{7} - (5 \frac{5}{4})}\) = -0.64