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单独条件1有一个未知数K，所以不能确定多少小于10
单独条件2：A8前面有1-7个数，A8后面有7个数，A8等于10 不管k等于多少，上下都是7个数，所以大于10的一定是10个数
力争满分的kk
这是我目前见过正确率最低的题hhh
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2023-05-11 23:32:36
496748lpxi
GMAC你们太baby辣！
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2022-05-20 19:11:39
421892qccze
真的佩服这些老头的思路，明显违背正常人类思路的数学题
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2022-02-07 18:20:33
Makka Pakka
哈哈哈哈哈哈这个条件2 真的强
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2021-06-12 15:27:19
杀鸡迫在眉睫
条件2关键是要想到“等差数列的单调性”：a8=a7+k=10，如果情况（1）：k大于0，则10-a7大于0，则a7小于10，那么意味着a1至a7都小于10，所以可以知道有几个数大于10（a8以后的数都是大于10）；如果情况（2）：k小于0，则10-a7小于0，则a7大于10，那么意味着a1至a7都大于10，所以可以知道有几个数大于10（a8以前的数都是大于10）。
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2021-05-22 14:30:10
鸡鸡沙西米
看成求K 了。T.T
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2020-10-16 12:23:49
蓝鲸蓝鲸
好阴啊
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2019-10-05 13:22:30
HelloCandy
如果k是正数，则后面有10个数大于10；如果k是负数，则前面有10个数大于10.
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2019-07-16 13:03:06
DanielZ29回复HelloCandy
不是7个吗？
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2019-07-17 13:09:17
Lambo回复HelloCandy
不是7个吗？
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2019-09-16 12:00:13
Kath1230
O__O "…根本没想到A8=10这个 就是问题问的关键
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2019-02-04 17:52:55
HANNN
10大于10？
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2018-11-27 13:28:17
Adelaz
妥妥掉坑了……a8这个数字有其特殊性啊
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2017-10-28 17:07:47
nmbdy
本题要注意 8处于2~15的中间 2~8有7个数 9~15有7个数 所以若a8=10 一定满足题目的意思 遇到此类题一定要观察 如a8这样子的特殊值 刚好题目就是求大于10的数 有坑！
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2017-10-25 10:51:05
杀鸡志在必得
k要是-1呢
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2017-10-10 20:33:34
南风南风吹柚笙
如果k是一个负数呢
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2017-09-16 21:29:51
Jinber回复南风南风吹柚笙
如果k是正数 则是a8之后的大于10 一共有7个数 如果k是负数 则是a8前面的大于10 一共还是7个数 所以不管k的正负都是可以选出来的
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2017-10-01 04:24:40
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