Арифметическая прогрессия задана формулой an+1=an+7. Найди сумму первых 20 членов прогрессии, если второй член равен -23
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


Copyright © 2024 SCHOLAR.TIPS - All rights reserved.