题目内容
(请给出正确答案)
[主观题]
The average of x and y is 16 and the average of x, y, and z is What is the value of z?A.16
The average of x and y is 16 and the average of x, y, and z is What is the value of z?
A.16
B.22
C.34
D.45
E.66
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