21. Convert infix expression (a-b/c)*(a/c-d) to prefix expression.
Answer: The infix expression is (a-b/c)*(a/c-d). The corresponding prefix expression is *-a/bc-/ac-d.
22. Convert infix expression (x+y)*(z-w) to prefix expression.
Answer: The infix expression is (x+y)*(z-w). The corresponding prefix expression is *+xy-zw.
23. Convert infix expression (a+b/c)*(d-e) to prefix expression.
Answer: The infix expression is (a+b/c)*(d-e). The corresponding prefix expression is *+a/bcd-e.
24. Convert infix expression (p*q)/(r-s) to prefix expression.
Answer: The infix expression is (p*q)/(r-s). The corresponding prefix expression is /*pq-rs.
25. Convert infix expression (a-b)*(c+d)/e to prefix expression.
Answer: The infix expression is (a-b)*(c+d)/e. The corresponding prefix expression is /*-ab+cd e.
26. Convert infix expression a+(b*c-d/e) to prefix expression.
Answer: The infix expression is a+(b*c-d/e). The corresponding prefix expression is +a-*bc/de.
27. Convert infix expression (a+b)*(c/(d-e)) to prefix expression.
Answer: The infix expression is (a+b)*(c/(d-e)). The corresponding prefix expression is *+ab/c-de.
28. Convert infix expression a*(b+c/d)-e to prefix expression.
Answer: The infix expression is a*(b+c/d)-e. The corresponding prefix expression is -*a+bc/de.
29. Convert infix expression (x/y+z)*(p-q) to prefix expression.
Answer: The infix expression is (x/y+z)*(p-q). The corresponding prefix expression is *+/xyz-pq.
30. Convert infix expression (p+q)/(r-s+t) to prefix expression.
Answer: The infix expression is (p+q)/(r-s+t). The corresponding prefix expression is /+pq-rt+s.
31. Convert infix expression ((a+b)*c-d)/e to prefix expression.
Answer: The infix expression is ((a+b)*c-d)/e. The corresponding prefix expression is /-*+abcde.
32. Convert infix expression (a/b-c)+(d*e-f) to prefix expression.
Answer: The infix expression is (a/b-c)+(d*e-f). The corresponding prefix expression is +-ab/c-*def.
33. Convert infix expression a+(b/(c-d)) to prefix expression.
Answer: The infix expression is a+(b/(c-d)). The corresponding prefix expression is +a/bc-d.
34. Convert infix expression (x+y)/(z-w)*(p+q) to prefix expression.
Answer: The infix expression is (x+y)/(z-w)*(p+q). The corresponding prefix expression is *+/xy-zw+pq.
35. Convert infix expression a-(b+c)/(d-e*f) to prefix expression.
Answer: The infix expression is a-(b+c)/(d-e*f). The corresponding prefix expression is -a/+bc-*def.
36. Convert infix expression a*(b-c)/(d+e) to prefix expression.
Answer: The infix expression is a*(b-c)/(d+e). The corresponding prefix expression is /*a-bc+de.
37. Convert infix expression (p-q+r)*(s/t-u) to prefix expression.
Answer: The infix expression is (p-q+r)*(s/t-u). The corresponding prefix expression is *+-pqr-/st u.
38. Convert infix expression ((a*b)+c-d)/(e+f) to prefix expression.
Answer: The infix expression is ((a*b)+c-d)/(e+f). The corresponding prefix expression is /-+*abcd+ef.
39. Convert infix expression ((x+y)*(z-w))/p to prefix expression.
Answer: The infix expression is ((x+y)*(z-w))/p. The corresponding prefix expression is /*+xy-zw p.
40. Convert infix expression (a*b+c)/(d-e+f) to prefix expression.
Answer: The infix expression is (a*b+c)/(d-e+f). The corresponding prefix expression is /+*abc-+def.