Multiple Choice Question (MCQ)

For which of the following conditions will the sum of integers m and n always be an odd integer?

  1. ✓

    m is an odd integer and n is an event integer

  2. ×

    n is an odd integer.

  3. ×

    m and n are both odd integers.

  4. ×

    m and n are both even integers.

Collected in the board: Number Theory

Steven Zheng posted 2 years ago

Answer

  1. If m and n are both odd integers or both even integers, the sum of m and n is an even integer.

    But when m is an odd integer and n is an event integer, the sum of them is an odd integer.

Steven Zheng posted 1 year ago

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