x>1
(1;+oo)
_____________________________
118:2=59
148:2=74
132:2=66
784:4=196
954:6=159
112:4=28
144:8=18
879:3=293
286:2=143
186:20=9,3
982:2 =491
824:4=206
6b-18=10-2b-4
6b+2b=6+18
8b=24
B=3
34+(239-606:6)×4-393:3=34+(239-101)×4-131=34+552-131=455