\(\left(1-\frac{1}{35}\right)x\left(1-\frac{1}{36}\right)x\left(1-\frac{1}{37}\right)x...x\left(1-\frac{1}{2010}\right)x\left(1-\frac{1}{2011}\right)\)
\(\frac{41}{42}+\frac{55}{56}+\frac{71}{72}+\frac{89}{90}+\frac{109}{110}+\frac{131}{132}+\frac{155}{156}\)