七年级数学有理数的乘除混合练习题40道一、有理数的乘法1. 计算：(-5) × (-7) = ____2. 计算：3/4 × 2/5 = ____3. 计算：-6 × 1/2 = ____4. 计算：0 × (-3/4) = ____5. 计算：-2 × 0 = ____二、有理数的除法6. 计算：(-9) ÷ 3 = ____7. 计算：16 ÷ (-2) = ____8. 计算：(-30) ÷ (-5) = ____9. 计算：13/4 ÷ 5/6 = ____10. 计算：0 ÷ (-7/8) = ____三、乘除混合运算11. 计算：(-5) × (-2) ÷ (-10) = ____12. 计算：1/3 × (-3) ÷ 2 = ____13. 计算：(-6) ÷ (-3) × 2/5 = ____14. 计算：2/5 ÷ (-1/2) × 3/4 = ____15. 计算：(-4) × 5/6 ÷ (-2/3) = ____16. 计算：(-7) ÷ 2 × 4/5 = ____17. 计算：3/4 ÷ (-2/3) × (-6/5) = ____18. 计算：(-1/3) × (-6) ÷ 2/5 = ____19. 计算：(-2/5) ÷ (-3/4) × (-4/3) = ____20. 计算：(-9) ÷ (-3/5) × (-5/2) = ____21. 计算：5 × (-1/2) ÷ 3/4 = ____22. 计算：(-2) ÷ 3 × (-2/5) = ____23. 计算：4/5 ÷ (-1/2) × 3 = ____24. 计算：(-2/3) × 2 ÷ (-5/6) = ____25. 计算：(-10) ÷ 4 × (-7/8) = ____26. 计算：(-4/5) × (-2/3) ÷ (-5/6) = ____27. 计算：(-7/8) ÷ (-1/2) × 3/4 = ____28. 计算：(-3/4) × (-4/5) ÷ (-2/3) = ____29. 计算：(-1/2) ÷ (-3) × (-3/5) = ____30. 计算：(-5/6) ÷ (-7/8) × (-8/9) = ____31. 计算：(-5/6) ÷ (-1/4) × (-4/9) = ____32. 计算：(-3/4) × (-2) ÷ (-5) = ____33. 计算：(-2/3) ÷ (-4) × (-3) = ____34. 计算：(-5/6) ÷ 1 ÷ (-2) = ____35. 计算：(-1/2) ÷ (-1/3) ÷ (-4/5) = ____36. 计算：(-5) ÷ (-4/5) ÷ 1/2 = ____37. 计算：(-4) × (-2/3) ÷ (-3/4) = ____38. 计算：2/3 ÷ (-4/5) ÷ (-5/6) = ____39. 计算：(-3/4) ÷ (-1/2) ÷ 2 = ____40. 计算：(-2/5) ÷ (-2/3) ÷ (-3/4) = ____以上是《七年级数学有理数的乘除混合练习题40道》的内容。
