计算:3 + 5 × 2 - 4 ÷ 2 = ?
11
13
14
12
计算:(7 + 3) × (6 - 2) ÷ 4 = ?
9
10
8
计算:12 ÷ 3 + 4 × 2 - 5 = ?
6
5
7
计算:(9 - 3) × 2 + 8 ÷ 4 = ?
15
计算:15 ÷ (3 + 2) × 4 - 6 = ?
4