1 . 2-1+5-1-1

• A. $7$
• B. $\frac{10}{7}$
• C. $3$
• D. $\frac{7}{10}$

Answer: Option B

Explanation:

2 . 2-1+5-1-1

• A. $7$
• B. $10/7$
• C. $3$
• D. $7/10$

Answer: Option B

Explanation: