1. 2 OR and 1 NAND
2. 2 NAND and 1 OR
3. 2 AND and 1 NOR
4. 2 NOR and 1 NAND
5. 2 NAND and 1 NOR
   
   
   
   

2 is WRONG. Please recognize the alternate gate symbol representation for an AND gate (an OR with 3 bubbles).

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