Arithmetic Problem #5

Saw this question on the internet and thought its rather interesting. A-levels students should be all buried other their workload, amidst the mock papers and ten year series. Hopefully this might help.

$\frac{100001 + 100003 + 100005 + \ldots + 199999}{1 + 3 + 5 + 7 + 9 + 11 + 99999} = ?$

Hint: try and group the number together.

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About

KS Teng

KS has been teaching H2/H1 Mathematics and IB mathematics for the more than 10 years. Having taught students from all various Junior Colleges, KS adapts to students' abilities and help them better understand the topics. As someone who loves to teach mathematics and sees it as a truly useful tool in life, KS seeks to enable students to appreciate math. Therefore, his tuition mission is to motivate and cultivate students to be independent and confident thinkers.

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Arithmetic Problem #5

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