Все очень просто)
14х=42
х=42:14
х=3
1) <span>215 9/16 - 208 3/4 + 1/2 =215,5625-208,75+0,5=7,3125
2) 0,0001:0,005=0,02
3) 7,3125:0,02=365,625
Ответ: 365,625</span>
1) 3 9'12:12
-36 |326
===
-31
24
===
- 72
72
===
0
2) -67'48:14
56 |482
===
- 114
112
===
-28
28
===
0
3)-106'35:15
105 |709
===
- 135
135
===
0
4). -112'06:13
104 |862
===
- 80
78
===
-26
26
===
0
5)-145'62:18
144 |809
===
-162
162
===
0
6). -15640:17
153| 920
===
-34
34
===
-0
0
===
0
7). -58'520:19
57. |3080
===
-152
152
===
-0
0
===
0
8) -43'248:16
32 |2703
===
-112
112
===
- 48
48
===
0