christy hu – February 12, 2019
i want mandarin language & may i know the answer inside has a detailed explanation of how to solve the problem or not?
iznan – February 14, 2019
The question got Mandarin translation as well. But the solution is in English. Yes you will find the explaination.
maizatul akmal – February 14, 2019
my son will enter this competition for the first time
All the best and good luck!
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