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Problem #45

Proportion

Compiler of the Uzbek version and author of the solutions — Zuhriddin Jaloliddinov

Medium10 pointsArithmetic operations86%
Find XX in the proportion:
15,2⋅0,25−48,51:14,7X=(1344−211−566:212)⋅1153,2+0,8(512−3,25)\dfrac{15,2\cdot 0,25-48,51:14,7}{X}=\dfrac{\left(\frac{13}{44}-\frac{2}{11}-\frac{5}{66}:2\frac{1}{2}\right)\cdot 1\frac{1}{5}}{3,2+0,8\left(5\frac{1}{2}-3,25\right)}

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