Предмет: Математика, автор: Uanocka

Периметр прямокутника 28 см . Довжина - 9 см. Знайти ширину

Ответы

Автор ответа: Аноним

0

9+9= 18 (см) длина обеих сторон
28-18= 10(см) две ширина
10:2= 5 (см) одна ширина

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