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У мальчика тетрадей в клетку на 15 больше,чем в линию.Сколько у него всего тетрадей,если в клетку в 4 раза больше,чем в линию?
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Предмет:
Математика -
Автор:
emersonodog - 6 лет назад
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Ответы 2
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15+x=4x
15=3x
x=15:3
x=5
5+5×4=25 тетрадей
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Автор:
abramclayton - 6 лет назад
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0
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4х+х=15
3х=15
х=5 в в линию
4*5=20 в клетку
20+5=25 всего тетрадей
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Автор:
rolexstuart - 6 лет назад
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0
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