写出下面各数列的前5项1:a1=5,an+1=an+32:a2=2,an+1=2an,3:a1=1,an+1=an+1/an

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写出下面各数列的前5项1:a1=5,an+1=an+32:a2=2,an+1=2an,3:a1=1,an+1=an+1/an
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写出下面各数列的前5项1:a1=5,an+1=an+32:a2=2,an+1=2an,3:a1=1,an+1=an+1/an
写出下面各数列的前5项
1:a1=5,an+1=an+3
2:a2=2,an+1=2an,
3:a1=1,an+1=an+1/an

写出下面各数列的前5项1:a1=5,an+1=an+32:a2=2,an+1=2an,3:a1=1,an+1=an+1/an
1:5,8,11,14,17
2:2,4,8,16,32
3:1,2,5/2,29/10,941/290
楼上:2+1/2=3/2啊?!