If w = x + y + z,what is the average (arithmetic mean) of w,
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If w = x + y + z,what is the average (arithmetic mean) of w,x,y,and z in terms of
(A) w/2
(B) w/3
(C) w/4
(D) w/6
(E) w/8
A ,B.很遗憾,本题共有98人作答,正确率54.00%,包含知识点【方程式】
在Satonline上面的一道SAT数学题目,这题没有看懂!给翻译下好吗?
![](http://img.wesiedu.com/upload/4/bf/4bf8af7abd0ffbdff77beb2fad0e6eed.jpg)
(A) w/2
(B) w/3
(C) w/4
(D) w/6
(E) w/8
A ,B.很遗憾,本题共有98人作答,正确率54.00%,包含知识点【方程式】
在Satonline上面的一道SAT数学题目,这题没有看懂!给翻译下好吗?
![](http://img.wesiedu.com/upload/4/bf/4bf8af7abd0ffbdff77beb2fad0e6eed.jpg)
![If w = x + y + z,what is the average (arithmetic mean) of w,](/uploads/image/z/2427761-65-1.jpg?t=If+w+%3D+x+%2B+y+%2B+z%2Cwhat+is+the+average+%28arithmetic+mean%29+of+w%2C)
如果w=x+y+z,那么对于w,x,y,z这四个数的平均数怎么用w的代数式表达?
平均数=(w+x+y+z)/4=2w/4=w/2
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平均数=(w+x+y+z)/4=2w/4=w/2
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