605. Решите уравнения:
2
5
7
1) х = 1; 3) 1 – х = 1; 5) х = 1;
8
15
7) 100x =
= 1;
2
8)
13
2
6) 3 = х = 1;
х = 1.
2) 9x = 1;
4)
х = 1;
Срочно
2
5
7
1) х = 1; 3) 1 – х = 1; 5) х = 1;
8
15
7) 100x =
= 1;
2
8)
13
2
6) 3 = х = 1;
х = 1.
2) 9x = 1;
4)
х = 1;
Срочно
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Answers & Comments
Ответ:
605
1)х= 7/2. 7/2*2/7х=7/2*1
2)х=1/9. 9х:9=1:9
3)х=8/13. 13/8х=1
4)х=2. 2*1/2х=2*1
5)х=15/7. 15/7*7/15х=15/7*1
6)х=5/17. 17/5х=1
7)х=1/100. 100х:100=1:100
8)х=13/2. 13/2*2/13х=13/2*1