7m = 63 m = 9
7n = 14 n=2
3m = 15 m=5
13n = 104 n=8
21m = 126 m=6
9n = 27 n=3
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7m = 63 m = 9
7n = 14 n=2
3m = 15 m=5
13n = 104 n=8
21m = 126 m=6
9n = 27 n=3
7m= 252:4
7m= 63
m= 63:7
m=9
Ответ: 9
2. (4n+3n)×11=154
7n=154:11
7n=14
n= 14:7
n= 2
Ответ:2
3. 45: (4m-m)=3
45:3m=3
3m=45:3
3m= 15
m= 15:3
m=5
Ответ: 5
4. (19n-6n):4=26
13n=26×4
13n=104
n=104:13
n=8
Ответ: 8
5. (16m+5m):18=7
21m=7×18
21m=126
m= 126:21
m=6
Ответ:6
6. (17n-8n)×13=351
9n=351:13
9n= 27
n= 27:9
n=3
Ответ: 3