以下是十道乘法结合律简便运算及答案（以小学四年级下册内容为基础）：
1. 9 × 6 × 5 = 9 × (6 × 5) = 270
2. 3 × 7 × 8 = 3 × (7 × 8) = 168
3. 4 × 6 × 9 = 4 × (6 × 9) = 216
4. 5 × 8 × 2 = 5 × (8 × 2) = 80
5. 6 × 3 × 4 = 6 × (3 × 4) = 72
6. 7 × 2 × 9 = 7 × (2 × 9) = 126
7. 8 × 4 × 3 = 8 × (4 × 3) = 96
8. 2 × 5 × 10 = 2 × (5 × 10) = 100
9. 3 × 4 × 7 = 3 × (4 × 7) = 84
10. 6 × 8 × 2 = 6 × (8 × 2) = 96
通过运用乘法结合律（即a × b × c = (a × b) × c = a × (b × c)）来简便运算，可以快速求得答案，提高计算速度和准确性。
