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【OG20-P278-298题】
In a sequence of numbers in which each term is 2 more than the preceding term,what is the fourth term?
1.The last term is 90.
2.The first term is 2.
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题目讨论 (2条评论)

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emily666
a不行,最后一个推不出第四个到底是谁
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0 回复 2020-03-18 10:34:02
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zherusalem
1) A不行,看BCE 2)知道a1,则知道以后的,所以B
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0 回复 2020-01-13 08:26:59