一、填空题
1. $(-4.9)÷0.7=$
2. $(-5)×(+\dfrac{1}{5})=$
3. $(+\dfrac{5}{4})÷(-15)=$
4. $(-\dfrac{1}{16})÷(+\dfrac{1}{4})=$
5. $(-2)×(-3)÷(-5)=$
6. $(-2.4)×(+\dfrac{1}{4})×(-5)=$
7. $(-\dfrac{1}{6})×[(+12)-(-\dfrac{6}{5})]=$
8. $(-24)×[(+\dfrac{1}{4})+(-\dfrac{1}{6})]=$

1. -7
2. -1
3. $-\dfrac{1}{12}$
4. $-\dfrac{1}{4}$
5. -1.2
6. 3
7. $-2\dfrac{1}{5}$
8. -2

二、计算题
9. $(-56)×(-\dfrac{1}{7})×(+\dfrac{1}{3})×(-\dfrac{1}{8})$
10. $(-2)÷[(+\dfrac{1}{4})-(-\dfrac{1}{6})]$
11. $-9÷(-0.1)÷(-3\dfrac{3}{5})$
12. $14\dfrac{14}{15}×(-5)$
13. $(-0.125)÷(-\dfrac{2}{5})÷(-\dfrac{5}{8})$
14. $(-3\dfrac{3}{5})×(+\dfrac{5}{9})×(-\dfrac{3}{2})$
15. $(-5)×\dfrac{3}{2}×(-1\dfrac{1}{6})×(-1\dfrac{1}{7})$
16. 易错题 $(-27)÷(-\dfrac{3}{2})+(+36)÷(-\dfrac{3}{2})$

9. $-\dfrac{1}{3}$
10. $-\dfrac{24}{5}$
11. -25
12. $-74\dfrac{2}{3}$
13. $-\dfrac{1}{2}$
14. 3
15. -10
16. -6
易错分析
16. 除法转乘法时易忽略变号规则导致计算错误。