Home
О нас
Products
Services
Регистрация
Войти
Поиск
mkarpova305
@mkarpova305
July 2023
1
4
Report
a1=15;
d=2
Знайти S30
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms of service
You must agree before submitting.
Send
Answers & Comments
veronikagorb40
1. Формула для нахождения суммы арифметической прогрессии:
S=(2*a1+d*(n-1))n/2
Подставляем значения:
S30=(2*15+2*29)30/2=1320
1 votes
Thanks 1
Аккаунт удален
hwy
Аккаунт удален
do you speak English
More Questions From This User
See All
mkarpova305
July 2023 | 0 Ответы
21 64b2287851279
Answer
mkarpova305
July 2023 | 0 Ответы
e752c877852e1b5d886928a6a5ae90b5
Answer
mkarpova305
July 2023 | 0 Ответы
d921dd56b716b50c49d1998bdd0095b2
Answer
mkarpova305
July 2023 | 0 Ответы
f0116cccd34be9aa015ec95ba5edd12b
Answer
mkarpova305
July 2023 | 0 Ответы
47ad52769bf1d363093e5330bda026a3
Answer
mkarpova305
July 2023 | 0 Ответы
4b6b2ddaeda1de7c00922910c521d172
Answer
mkarpova305
July 2023 | 0 Ответы
20 64aa75df8703a
Answer
mkarpova305
July 2023 | 0 Ответы
8fda62f60fd9c99f4705310125994ac4
Answer
mkarpova305
July 2023 | 0 Ответы
20 64a9cd5a0706b
Answer
mkarpova305
July 2023 | 0 Ответы
be073fb4618a4e764a97d2c3deb7cd40
Answer
×
Report "a1=15; d=2 Знайти S30"
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
О нас
Политика конфиденциальности
Правила и условия
Copyright
Контакты
Helpful Social
Get monthly updates
Submit
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
S=(2*a1+d*(n-1))n/2
Подставляем значения:
S30=(2*15+2*29)30/2=1320