287 + 10 × к = 1397 - 300
287 + 10 × к = 1097
10 × к = 1097 - 287
10 × к = 810
к = 810 : 10
к = 81
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
287 + 10 × к = 1397 - 300
287 + 10 × к = 1097
10 × к = 1097 - 287
10 × к = 810
к = 810 : 10
к = 81