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ABCDE * 4 = EDCBA

(2019-10-06 15:55:24) 下一个

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ABCDE * 4 = EDCBA

As soon as we got online and connected, Lucas said: “Can I show you something?”

“Sure”, I replied.

He brought up TextEdit and started typing, and explained: “I encountered a problem in our math class which is similar to what we played before. It looked like ABCDE * 4 = EDCBA with A, B, C, D and E each being a digit.”

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