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Mathematics, 23.06.2019 20:30 aquinomelodyr

There are 70 students in speech contest . yesterday 1/5 of them gave their speeches . today 3/7 of the remaining students gave their speeches . how many students still haven't given their speeches

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There are 70 students in speech contest . yesterday 1/5 of them gave their speeches . today 3/7 of t...
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