七位数22B33B能被4整除,且它的末两位3B能被6整除,那么B会是数字几?
七位数22B33B能被4整除,且它的末两位3B能被6整除,那么B会是数字几?
数学人气:915 ℃时间:2019-11-23 11:09:43
优质解答
B只能是6 .因为数能被4整除,那么它的后两位3B必能被4整除,就是32或36; 3B又能被6整除,B为0或6; 能同时满足上面两个条件只有:B=6.
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