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sfhbballnut wrote:I believe you need to know class size
make x=.9999999999....
first multiply x by ten = 9.9999999999 (10x=9.999999.....)
then subtract x =9.000000 (9x=9.0000000)
then with simple algebra, solve 9x=9.
since x=.99999.... , .99999... = 1
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