Answers

2015-10-12T21:41:24+08:00
No its not hard if u will listen carefully u will easily understand it every step 
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2015-10-13T17:24:53+08:00
Math, like reading, is not a “natural” human activity. It is a cultural contrivance, and the cognitive apparatus to support it must be hijacked from mental systems meant to support other activities.
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