Предмет: Математика, автор: alieksieikarna

вычисли периметр прямоугольника со сторонами 3дм и 16см

Ответы

Автор ответа: Аноним
56
3 дм = 30 см 
P = 2 * ( 30 + 16 ) = 2 * 46 = 92 ( cм ) = 9 дм 2 см 
hochytrahnytspehovy: (30+16)*2=92см
Автор ответа: gushchin79
14
1.переводим дм в см
2.в 1 дм 10 см-3 дм-30 см
3.(а+b)*2
4.(30+16)*2
5.Р-92см
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: makekik1
Peter asked his mother to give him driving lessons. She was an instructor in a driving school, the best school in _______________ (THEY) town. Peter __________ (KNOW) that his mother could give him a hard time. She would be much _________ (STRICT) with him than with the other students. But Peter __________ (NOT/MIND) that. He wanted to become a very good driver, which meant he should know the car inside out. His mother said she __________ (ALLOW) him to join her course if he promised to fulfill all her requirements. And Peter agreed. In the morning he learnt the traffic rules in his mother’s classroom and in the evening he was in the garage studying what cars _____________ (MAKE) of. “It’s really important to understand how the engine ___________ (WORK),” Peter’s mother kept saying, “When you get your driving license, this knowledge ______________ (HELP) you to drive responsibly.” Peter didn’t understand how the technical things could influence driving skills but he listened to his mother. “You ___________ (LEARN) everything you need,” Peter’s mother said one day, “Now you are ready to take the driver’s seat.” Peter felt happy.
2 года назад
Предмет: Русский язык, автор: jmorik
Укажите неологизмы а)автомобиль,владелец б)корабль,генерал в)акванавт,аэробус г)грамота, луноход
2 года назад
Предмет: Қазақ тiлi, автор: sowetskaya06123
царица томирис сочинение на казахском языке
2 года назад
Предмет: Химия, автор: kekedoyouloveme
Помогите пожалуйста с химией!!!!
8 лет назад
Предмет: Математика, автор: 5554582
прошу помогите!!!
математика!

5/9•(-3.5)•(-9/5)•0.6
прошу сейчас как можно быстрее ​
8 лет назад