1)3,45х-2,05х=3,15
1,4х=3,15
х=2,25
2)(1×2/9+7×2³/9)+0,8
(2/9+7×8/9)+4/5
(2/9+56/9)+4/5
58/9+4/5
326/45
7,24
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
1)3,45х-2,05х=3,15
1,4х=3,15
х=2,25
2)(1×2/9+7×2³/9)+0,8
(2/9+7×8/9)+4/5
(2/9+56/9)+4/5
58/9+4/5
326/45
7,24