Answers:
1. The Odd Couple   +   The Ten Commandments   =   Cheaper by the Dozen
2. Around the World in 80 Days   -   The Magnificent Seven   =   Winchester '73
3. 101 Dalmations   +   Passenger 57   +   Summer of '42   =   200 Motels
4. The Two Jakes   +   Three Days of the Condor   +   The Three Amigos!   =   Dinner at Eight
5. The 39 Steps   +   Four Weddings and a Funeral   +   12 Angry Men   =   55 Days at Peking
6. Sixteen Candles   -   Apollo 13   +   Six Degrees of Separation   =   Nine Months
7. 42nd Street   +   North Dallas Forty   -   Five Easy Pieces   =   Airport '77
8. Catch-22   +   Force 10 From Navarone   =   Thirty-two Short Films About Glenn Gould
9. ( Ocean's Eleven   +   Plan 9 From Outer Space)   x   Anne of the Thousand Days   =   20,000 Leagues Under the Sea
10. Twelve O'Clock High   -   The Dirty Dozen   =   And Then There Were None