вычислить арифметическую прогрессию 

1)х16=-7    х26=55   а1-?  d-?

2)а1=21     d=-0.5   S6-?

Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


Copyright © 2025 SCHOLAR.TIPS - All rights reserved.