3,4,

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3,4,
3,4,

3,4,
5.C

3,4, 3,4, 3,4, 3 4 3,4, 3 4 3,4, 3,4, 3,4 3,4, 3,4, 3,4, 3,4, 3,4, 3/4 3,4, 3,4, 3,4,