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In a certain two-digit number, the tens’ digit is triple the units’ digit, this two-digit number can have how many different pos
In a certain two-digit number, the tens’ digit is triple the units’ digit, this two-digit number can have how many different pos
admin
2022-11-20
23
问题
In a certain two-digit number, the tens’ digit is triple the units’ digit, this two-digit number can have how many different possible values?
选项
A、5
B、4
C、6
D、3
E、8
答案
D
解析
两位数中十位是个位的3倍,那么可能有31,62,93这三个数。
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