Question

8 + 7² + (8 - 2) + 24 ÷ 3 选项：68、71、89、56

Explanation:

Step1: Solve parentheses first

$8-2=6$

Step2: Calculate exponentiation

$7^2=49$

Step3: Perform division

$24\div3=8$

Step4: Sum all results

$8+49+6+8=71$

Answer:

71