SAT 数学题求解答On a number line, three points have coordianates r, s, and t, where r＜s＜t, which of the following cannot be true? A)tr+s C) t=r+s D) s=(r+t)/2 E)t=(r+s )/2

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SAT数学题求解答Onanumberline,threepointshavecoordianatesr,s,andt,wherer＜s＜t,whichofthefollowingcannotbetru

SAT 数学题求解答On a number line, three points have coordianates r, s, and t, where r＜s＜t, which of the following cannot be true? A)tr+s C) t=r+s D) s=(r+t)/2 E)t=(r+s )/2
SAT 数学题求解答
On a number line, three points have coordianates r, s, and t, where r＜s＜t, which of the following cannot be true?
A)tr+s C) t=r+s D) s=(r+t)/2 E)t=(r+s )/2

SAT 数学题求解答On a number line, three points have coordianates r, s, and t, where r＜s＜t, which of the following cannot be true? A)tr+s C) t=r+s D) s=(r+t)/2 E)t=(r+s )/2
就是一条line上面三个点,从左到右依次是r,s,t,因为上面说了大小比较嘛.
还有SAT数学题都很简单~主要要细心!譬如这道题问的是CANNOT be true!
选E啊~
a,b,c三个选项都有可能~,举个例子,t可以取2,3,5,r取0.5,1,s取1.5,只要满足大小是r小于s小于t那么排列的就可以了.
而D选项,s是在rt中间,如果是按1,2,3那么排列的话,那就成立了.
而E选项是永远不可能的根本没有逻辑可言啊~r+s跟t没有关系啊~更别说载除以2了~瞎扯~
望采纳!thx~祝楼楼sat考出满意的成绩!

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