if the average of the consecutive even integers a,b, and c is less than 13a, which of the following best describes the value of a?
答案: a is positive
为什么呢?
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解答:
sysadmin
提问:
为什么critique和envisioning不算并列?划线部分做同位语作用,为何不能用起伴随作用的DE?as well as是否既可以用在两者比较又可以用在三者?