# Расстановка дефисов

Числа с 21 по 99 пишутся через дефис: «forty-five». Заимствованные фразы пишутся без дефиса или так, как в оригинале: «an a priori argument, a Sturm und Drang drama, a tête-à-tête approach».

## Содержание

## Примеры

Правило
a three-year-old, но: seven years old
sodium chloride и sodium chloride solution
emerald-green tie, но: his tie is emerald green
northeast, southwest, но: east-northeast, a north-south street, the street runs north-south
a half hour, но: a half-hour session
one-half, two-thirds, three-quarters, но: one twenty-fifth
the 33 m distance, a 2 kg weight, a 3 ft. high wall
a one-and-a-half-inch hem, но: one and a half inches
on the third floor, но: third-floor apartment

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