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求一道找规律的解(有详细过程)
2,30,130,350,( )
A.729B.738 C.1029 D.1225
人气:476 ℃ 时间:2020-07-03 12:24:24
解答
738
1^3 +1 = 2
3^3 +3 = 30
5^3 +5 = 130
7^3 +7 = 350
9^3 +9 = 738
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