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GMAT数学

当正整数K被12除时,其余数是3,下列哪一项被12除时,其余数等于6

请问解决这道题的步骤是什么呢？ 比如：为什么6k=6（12m+3）=12x（6m+1）+6 这个等式是怎么出来，特别是后半部分？ 谢谢各位大神！！！！
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1个回答

lgw32372

选项：

2k

6k

4k+6
编辑于 2018-08-23 20:42:00

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