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