(4а+3а)*7=49
7а=49/7
7а=7
а=7/7
а=1
проверка (4*1+3*1)*7=49
(4+3)*7=49
7*7=49
49=49
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
7а×7=49
7а=7
а=1
Ответ: 1
(4а+3а)*7=49
7а=49/7
7а=7
а=7/7
а=1
проверка (4*1+3*1)*7=49
(4+3)*7=49
7*7=49
49=49