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An operation, *, is defined as follows: for any positive numbers a and b. [img]2
An operation, *, is defined as follows: for any positive numbers a and b. [img]2
游客
2024-01-12
63
管理
问题
An operation, *, is defined as follows: for any positive numbers a and b.
Which of the following is an integer?
选项
A、11*5
B、4*9
C、4*16
D、7*4
E、9*9
答案
D
解析
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