已知两个等差数列和的前项和分别为A和，且，则使得为整数的正偶数时，的值是_刷题宝

题干

已知两个等差数列

和

的前

项和分别为A

和

，且

，
则使得

为整数的正偶数时，

的值是

A：1

B：2

C：5

D：3或11

上一题下一题 0.0难度选择题更新时间:2015-12-30 04:06:09

答案(点此获取答案解析）

D

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