1 . If a is an even integer and b is an odd integer, which of the following expressions could be an even integer?
- A. 3a+3b
- B. 3a+2b
- C. 2a+3b
- D. 2a+b
- D. None of these
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1 . If a is an even integer and b is an odd integer, which of the following expressions could be an even integer?
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