Mathematics, 20.01.2021 14:00 arielove62

338. В начале учебного года в 5 «А» классе число хорошистов было в два раза меньше числа троечников. К концу года 2 хорошиста ста-
ли отличниками, а 4 троечника стали хорошистами. В итоге число
хорошистов стало равно числу троечников. Сколько троечников было
В начале года?

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338. В начале учебного года в 5 «А» классе число хорошистов было в два раза меньше числа троечников...

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