(18x+45y):9= 18x:9 + 45y:9 =2+5=7
(35m+42n):7=35m:7+42:7=5+6=11
(40m+55n):5=40m:5+55n:5=8+11=19
(195a+65b):13=195a:13+65b:13=15+5=20
ИЛИ
(18x+45y):9= 63:9=7
(35m+42n):7=77:7=11
(40m+55n):5=95:5=19
(195a+65b):13=260:13=20
Х -893= 39675×1205
х - 893=47808375
х= 47808375+893
<span>х= 47809268
</span>
4217-а=9165:3
4217-а=3055
а=4217-3055
а=1162