Дома под номерами 8 10 12
8+10+12=30
14-72/(d-3)=8
-72/(d-3)=8-14
-72(/d-3)= -6
d-3=72:6
d=12+3
d=15
<span>а)1593-х=679+395
х=1593-679-395
х=519
</span><span>б) х:18=24584200-23836
х= 24560364*18
х=442086552</span>
+2С°= -4
-3С°= -9
+4С°= -2
-5С°= -1