Предмет: Математика, автор: Женяйка

Довжина шпалери в рулоні становить 10м. 1/5 рулону використали. Скільки метрів шпалери залишилось у рулоні?

Ответы

Автор ответа: Flоrа
50
1)10*1/5=10:5*1=2 м обоев использовали                                                          2)10-2=8 м обоев осталось в рулоне                                                                 Ответ: 8 метров.         
liydmilapoliszc: дякую !!!
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: sofiamytsak
помогите.
Complete the second sentense so that is has a similsr meaning to the first sentense,using the word given.
1.they don't let us dye our hair.
allowed
We ...... dye our hair.
2. He hasn't recovered from his illness.
over
He .... his illness.
3.Colin and Stuart are both nineteen years old.
as
Colin is ..... Stuart.
4.We succeeded in helping him.
managed
We ..... him.
5.He'll talk about his job first.
start
He ...... about his job.
6.She's not tall enough to be a model.
taller
If she ...... a model.
7.he rarely understands our instructions
often
He ..... our instructions
8.Mary and I have similar interests.
common
I have a lot .... Mary.
9. I sometimes eat at Deve's house,said jenny.
dinner
Jenny told me ..... at Deve's house
10.He lost his home a year ago
been
He .... for a year
2 года назад
Предмет: Английский язык, автор: жека223983
2)Choose irregular verbs and write their past participle
To arrive, to give, to play, to understand,to blow. to prepare. to wash, to fall, to miss, to run, to know,to talk. to open. to do. to water, to teach, to iron, to brush, to pay, to say, to remember, to show, to speak, to gather.
2 года назад
Предмет: Английский язык, автор: tarasova20017
соедините слова в предложение doesn't , parties , my , dancing , brouter’s , like , girlfriend , at.
2 года назад
Предмет: Физика, автор: alinaliii345
принцип работы рычага ​
8 лет назад
Предмет: Математика, автор: zhasminabdullaeva200
Помогите с последним вопросом пжжжжж
8 лет назад