Предмет: Математика, автор: annalehf

1/30+1/40=
помогите решить пример.

Ответы

Автор ответа: leshik70
3
\frac{1}{30} + \frac{1}{40} = \frac{4+3}{120} = \frac{7}{120}
Автор ответа: yumoo
1
1/30+1/40=(4+3)/120=7/120
annalehf: спосибо
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