is N^2 round to the nearest=9?(1) N round to the nearest =3(2)N^3 round to the nearest=27啥意思,先翻译一下,
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isN^2roundtothenearest=9?(1)Nroundtothenearest=3(2)N^3roundtothenearest=27啥意思,先翻译一下,isN^2roundtothen
is N^2 round to the nearest=9?(1) N round to the nearest =3(2)N^3 round to the nearest=27啥意思,先翻译一下,
is N^2 round to the nearest=9?
(1) N round to the nearest =3
(2)N^3 round to the nearest=27
啥意思,先翻译一下,
is N^2 round to the nearest=9?(1) N round to the nearest =3(2)N^3 round to the nearest=27啥意思,先翻译一下,
这是数据充分性题目
1、2两个条件是否得出结论:N的平方四舍五入等于9?
1、N四舍五入=3
2、N的立方四舍五入=27
答案是B
解题思路:
我是这么想的:
N^2 round to the nearest=9 说明N^2 在8.5和9.4之间
1.N round to the nearest =3,说明N 在2.5和3.4之间,不能得出9
2.N^3 round to the nearest=27,N^3 在26.5和27.4之间,27.4开三次方就3出头一点点,26.5开了就3少一点点,而且对比条件1,N的范围大大缩减,再加上N^3优于N^2
is N^2 round to the nearest=9?(1) N round to the nearest =3(2)N^3 round to the nearest=27啥意思,先翻译一下,
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