181818÷218218×(182182÷818181)?=

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181818÷218218×(182182÷818181)?=
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181818÷218218×(182182÷818181)?=
181818÷218218×(182182÷818181)?
=

181818÷218218×(182182÷818181)?=
181818÷218218×(182182÷818181)
=18×10101÷218×1001×182×1001÷81×10101
=18×10101÷81×10101×182×1001÷218×1001
=18÷81×182÷218
=2/9×91/109
=182/981

181818÷218218×(182182÷818181)
=18*10101/218*1001×182*1001/81*10101
=18*182/218/81
=182/981

182/981