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卡卡和丁丁都是数学迷。一天,他俩碰到了这样一道题:55555×666667+44445×666666-155555。两人左思右想,还是没能找出好的解法,便去找蒋老师。
Kaka and Tintin are both math fans. One day, they encountered such a question: 55555 × 666667 +44445 × 666666-155555. They think about the two left, or failed to find a good solution, they went to find Teacher Jiang.