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先考慮11能被11整除則括弧內兩個數相同那麼有1-9 9個數又因為被4整除所以奇數被排除2、4、6、8所以219912 419914(相差200002不被4整除所以只有一組符合)619916 819918其中419914和819918不符合所…
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