[計量]GWD-Quantitative "Set" 請教
A set of numbers has the property that for any number t in the set, t + 2 is in the set. If -1 is in the set, which of the following must also be in the set?
I. -3
II. 1
III. 5
A. I only
B. II only
C. I and II only
D. II and III only
E. I, II, and III
答案為d
但是小弟我真的不懂
綠色那本看了幾遍SET
還是沒有頭緒
頃大家跟我指點迷津
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推
08/21 01:15, , 1F
08/21 01:15, 1F
→
08/21 01:16, , 2F
08/21 01:16, 2F
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08/21 01:19, , 3F
08/21 01:19, 3F
推
08/21 01:38, , 4F
08/21 01:38, 4F
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08/21 01:40, , 5F
08/21 01:40, 5F
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08/21 01:41, , 6F
08/21 01:41, 6F
推
08/21 01:51, , 7F
08/21 01:51, 7F
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08/22 00:24, , 8F
08/22 00:24, 8F
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