皮皮学，免费搜题
登录
搜题
【简答题】
已知等差数列{a n }，若a 2 +a 4 +…+a 2n =a 3 a 6 ，a 1 +a 3 +…+a 2n-1 =a 3 a 5 ，且 S 2n =100，则公差=_______．
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】i can never to a new apartment in the town___________we can go shopping conveniently.
A.
it
B.
which
C.
when
D.
where
【简答题】We never go shopping ______ (at, in, on) the evening.
【简答题】阅读理解。 Click (点击) and Shop Do you always go shopping at the supermarket or often forget to buy something? If you do forget something, we believe you never want to go back for it. But with Webshop, our ...
【简答题】强心甙主要对心脏呈现 ___________ 、 ___________ 、 ___________ 三方面作用。
【简答题】意志行动的三个基本特征相互联系, 是意志行动的前提,
【简答题】Click(点击)and shop Do you always go shopping at the supermarket or often forget to buy something? If you do forget something，we believe you never want to go back for it．But with Webshop，our new Interne...
相关题目：