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【单选题】
假设下列的表达式是1位十进制数的后缀算术表达式： 8 2 3 ^ / 2 3 * + 5 1 * -其中^是乘方符号，当从左向右的第一个*符号计算完成后，栈顶的两个元素值是（ ）。
A.
6，1
B.
5，7
C.
3，2
D.
1，5
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举一反三
【单选题】A. As is known, we set great store by the trade relationship with the third world countries.B. We’ve never had any difficulties with our Chinese partners, and we ’ d like to make as many new contacts ...
A.
By leaving out some necessary information.
B.
By providing more information than needed.
C.
By using their body language.
D.
By telling some unbelievable lies.
【单选题】若用8位机器码表示十进制整数-127，则其原码表示为（），补码表示为（）。
A.
10000000
B.
11111111
C.
10111111
D.
11111110
相关题目：
【单选题】A. As is known, we set great store by the trade relationship with the third world countries.B. We’ve never had any difficulties with our Chinese partners, and we ’ d like to make as many new contacts ...
A.
By leaving out some necessary information.
B.
By providing more information than needed.
C.
By using their body language.
D.
By telling some unbelievable lies.
【单选题】若用8位机器码表示十进制整数-127，则其原码表示为（），补码表示为（）。
A.
10000000
B.
11111111
C.
10111111
D.
11111110
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