帮我解一道奥数题,8181818181/1818181818-818181/181818
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帮我解一道奥数题,8181818181/1818181818-818181/181818
帮我解一道奥数题,
8181818181/1818181818-818181/181818
帮我解一道奥数题,8181818181/1818181818-818181/181818
8181818181/1818181818-818181/181818
=(81*101010101)/(18*101010101)-(81*10101)/(18*10101)
=81/18-81/18
=0