(8032-595):37= 7437:37= 201 10486:(2455-2357)= 10486:98= 107
1) 5Х+3Х-4=8X-4
6m-14t+7m=13m-14t
19k+2k-k+3k=23k
18s+3f-4s+12f=14s+15f
10a+12b-6a+3b=4a+15b
7E-E-E-E=4E