Mental Calculation Course - Yusnier Viera

Yusnier Viera mental calculation course.

23 December, 2014 - 03:11
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Joined: 5 years 3 months ago

Hello,

I apologize, but I believe that there is a mistake in the algorithm, please calculate for example 02 Feb 1988, this calculation shows that the day is Wednesday, but actually it is Tuesday.

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