2. 外语
  3. When x+2 is divided by 5 the remainder is 3 Column A Column B The remainder when 2 x is divided

When x+2 is divided by 5 the remainder is 3 Column A Column B The remainder when 2 x is divided

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问题 When x+2 is divided by 5 the remainder is 3

Column A                    Column B
The remainder when             2
x is divided by 5
选项 A、if the quantity in Column A is greater
B、if the quantity in Column B is greater
C、if the two quantity are equal
D、if the relationship cannot be determined from the information given
答案B
解析 当x+2被5除时，余数(remainder)是3。
解：本题的正确答案是(B)。设n为整数，则有：x+2=5n+3；x=5n+1。所以x被5除时余数是1。
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