1990年AJHSME真题
- 这是一个包含25个问题的单项选择题测试。每个问题后面都有标记为A、B、C、D和E的答案。其中只有一个是正确的。每个正确答案得1分。错误的答案不会扣分。
- 除普通纸、书写工具、尺子和橡皮外,不允许使用任何辅助工具。特别是,不允许使用方格纸、指南针、量角器、计算器、电脑、智能手表和智能手机。
- 您将有40分钟的工作时间来完成测试。
1990年AJHSME真题+答案在线试做!
以下是整理好的中英双语真题试卷,还有全英版真题供您选择!
1990年AJHSME 真题:
Problem 1
What is the smallest sum of two
-digit numbers that can be obtained by placing each of the six digits
in one of the six boxes in this addition problem?
![[asy] unitsize(12); draw((0,0)--(10,0)); draw((-1.5,1.5)--(-1.5,2.5)); draw((-1,2)--(-2,2)); draw((1,1)--(3,1)--(3,3)--(1,3)--cycle); draw((1,4)--(3,4)--(3,6)--(1,6)--cycle); draw((4,1)--(6,1)--(6,3)--(4,3)--cycle); draw((4,4)--(6,4)--(6,6)--(4,6)--cycle); draw((7,1)--(9,1)--(9,3)--(7,3)--cycle); draw((7,4)--(9,4)--(9,6)--(7,6)--cycle); [/asy]](https://latex.artofproblemsolving.com/9/1/4/914e5e0471d3dc0feff40587010f980154414e03.png)
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Problem 2
Which digit of
, when changed to
, gives the largest number?
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Problem 3
What fraction of the square is shaded?
![[asy] draw((0,0)--(0,3)--(3,3)--(3,0)--cycle); draw((0,2)--(2,2)--(2,0)); draw((0,1)--(1,1)--(1,0)); draw((0,0)--(3,3)); fill((0,0)--(0,1)--(1,1)--cycle,grey); fill((1,0)--(1,1)--(2,2)--(2,0)--cycle,grey); fill((0,2)--(2,2)--(3,3)--(0,3)--cycle,grey); [/asy]](https://latex.artofproblemsolving.com/9/4/1/9418063c2f79f6fd1e9f8ec5e2efe31f98590f2f.png)
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Problem 4
Which of the following could not be the unit's digit [one's digit] of the square of a whole number?
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Problem 5
Which of the following is closest to the product
?
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Problem 6
Which of these five numbers is the largest?
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