– Homer: “Excuse me, what is the best way for me to improve my English?”
– Ms. Claire: “_____. If you don’t practice, nothing else can help you.

A. Just do it.        

B. Just give up.     

C. Keep improving         

D. Keep practicing

\(S5=\frac{\left(\left(2012-4\right):4+1\right).\left(2012+4\right)}{2}\)

=>\(S5=\frac{\left(2008:4+1\right).2016}{2}\)

=>\(S5=\frac{\left(502+1\right).2016}{2}\)

=>\(S5=503.1008\)

=>\(S5=507024\)

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64 nha

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