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【OG20-P154-59题】
In a certain sequence of 8 numbers, each number after the first is 1 more than the previous number. If the first number is −5, how many of the numbers in the sequence are positive?
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题目:在一个数列中,第一个数字为-5,之后的数字每一个都比前一个大1,问这列数字钟有几个是正数?
解答:由题可知,第一个数字为-5,意味着负数有5个,一个0,剩下正数就是两个
emily666
0不是正整数
joyce0811
哦,我看错了。。。。
joyce0811
答案错了吗?
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