Mathematics
Senior High
Solved
怎麼算
每日數學(二)
1-1
數列與數學歸納法
王級
得分
1
座號
第
重點1等差數列
重點 2 等比數列
姓名
1. 若一等差數列〈an〉,若a=x,ap=2x+3, 03-4x+5,則x=
(25 分)
-5
(2
為-72,公差為
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