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34+328+370+3130+⋯+39700= ? \dfrac 34+\dfrac3{28}+\dfrac3{70}+\dfrac3{130}+\cdots +\dfrac3{9700}= \, ? 43+283+703+1303+⋯+97003=?
Clarification: The denominators of the fractions follow a quadratic function.
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