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| rev | Admin | (Created page with "'''Solution: A''' <math display="block"> \begin{aligned} & {\left[100 \ddot{s}_{\overline{5} \mid 0.13}+50 \ddot{s}_{\overline{3} | 0.13}\right](1.13)^5=1703.81} \\ & \frac{x}{1.12^{1 / 2}-1}=1703.81 \\ & X=99.33 \end{aligned} </math> {{soacopyright | 2023 }}") | Nov 18'23 at 21:28 | +263 |