Сложить дроби 7/40+11/70+13/30. Created by reseegor. matematika-ru

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Фэлэт 7/40+11/70+13/30 = 147/840 + 132/840 + 364/840 = 643/840

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repetit Общий знаменатель 840, доп множители к дробям : 21, 12, 28

получаются дроби
$\frac{7 \times 21}{840} + \frac{11 \times 12}{840} + \frac{13 \times 28}{840} = \frac{147}{840} + \frac{132}{840} + \frac{364}{840} = \frac{643}{840}$

643/840

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Answers & Comments

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ch najdi put kotoryj projdet teplohod

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obem komnaty 45m v kube a ploshad pola 15kv m najdite vysotu komnaty

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