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ЛараОтличница
@ЛараОтличница
June 2022
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За 1/4 и 1/5м ленты заплатили 18р.Сколько стоит метр ленты?
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tvoyamamkalol
1) 1/4 + 1/5 (дополнительный множитеь к 1 дроби - 5, а ко второй - 4) = 9/20
2) 18*20 = 40
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2) 18*20 = 40