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, 2019 Difficulty 1.0 Junior Find the answer United Kingdom
Which of these expressions has the largest value?
(A) 1 2 \dfrac{1}{2} 2 1 1 3 + 1 4 \dfrac{1}{3} + \dfrac{1}{4} 3 1 + 4 1 1 4 + 1 5 + 1 6 \dfrac{1}{4} + \dfrac{1}{5} + \dfrac{1}{6} 4 1 + 5 1 + 6 1 1 5 + 1 6 + 1 7 + 1 8 \dfrac{1}{5} + \dfrac{1}{6} + \dfrac{1}{7} + \dfrac{1}{8} 5 1 + 6 1 + 7 1 + 8 1 1 6 + 1 7 + 1 8 + 1 9 + 1 10 \dfrac{1}{6} + \dfrac{1}{7} + \dfrac{1}{8} + \dfrac{1}{9} + \dfrac{1}{10} 6 1 + 7 1 + 8 1 + 9 1 + 10 1
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