Предмет: Математика, автор: MrCry500

Упростите выражение 2/x+3/7
Срочно

Ответы

Автор ответа: fed25rus
0
2/х + 3/7 - возводим под один знаменатель
(2+3)/7х
5/7х - ответ

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Математика, автор: kavka88
В трьох садах висадили всього 345 яблунь. В першому і другому саду разом 224 яблуні, в першому і третьому разом 157 яблунь. Скільки яблунь посадили окремо в кожному саду,
5 лет назад
Предмет: Английский язык, автор: uniweb
1. She's been training so hard recently that she deserves (win) the race/
win
to win
winning
2. The suspect claimed (work) at the time of the robbery.
working
to work
work
3. The dog seems ( be) hungry - you'd better feed him.
be
being
to be
4. I'm sorry (say) that I'll be unable to attend the meeting tomorrow.
say
saying
to say
5. It was very kind of Paula (lend) me her laptop.
to lend
lending
lend
6. It's no use (go) to university if you don't intend to study.
go
to go
going
7. Try (phone) John at the office if he is not at home.
to phone
phoning
8. Tom stopped (pick up) his washing on his way home.
to pick up
picking up
9. I prefer (borrow) books from the library to (buy) them.
borrowing, buying
to borrow, to buy
10. I'd prefer (pretend) I didn't hear what you just said.
to pretend
pretending
11. Do you remember (ride) a bicycle for the first time?
riding
to ride
12. I regret (inform) you that your husband has been arrested.
informing
to inform
13. Remember (post) the letters on your way home.
posting
to post
14. If you don't stop (smoke), you'll make yourself ill.
smoking
to smoke
15. She regrets (spend) so much money on her new dress.
spending
to spend
16. I tried my best (finish) the test, but there just wasn't enough time.
finishing
to finish
5 лет назад
Предмет: История, автор: cloudf5
доклад о викингах небольшой ​
5 лет назад
Предмет: Алгебра, автор: TheX
Найдите первый член арифметической прогресси(an) ,если а27=7,2,d=-0,3
9 лет назад
Предмет: Литература, автор: соип
основные мотивы лирики М.Ю.Лермонтова
9 лет назад