2/7x+3/7x равно 2 7/14. Created by Марьяна11111111111. matematika-ru

14...

October 2021 1 10 Report

2/7x+3/7x равно 2 7/14

ismailovna2001 2/7х + 3/7х=2 7/14
5/7х=35/14
х= 35/14 : 5/7
х= 35/14 × 7/5
х= 7/2
х= 3,5

2 votes Thanks 2