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Crowdsourced Homework Challenge

Here’s an example of my daughter’s maths homework this weekend.

Take four characters, A, B, C and D, and substitute numerical values for those characters that fit the following equation:

AAB - CD = BDC

According to the question, there are three correct sets of numbers. 

Go on, I challenge you.

Oh, and by the way, this is 2nd Grade maths, my daughter is 8.

http://click-to-read-mo.re/p/79PS