1) 80%
2) 19%
Ответ: 80%,19%
10, 11, 12, 13, 14, 15, 16, 17, 18, 19.
10+10=20
11+10=21
12+10=22
13+10=23
14+10=24
15+10=25
16+10=26
17+10=27
18+10=28
19+10=29
Второе так.
7,8,9.
7-1=0
8-7=1
9-7=2
<span>12,654х - 4,39у- 0,064у, при у= 0,4
</span><span>12,654х - 4,39у- 0,064у, =12,654х-4,326у= 12,654х-4,326*0,4=12,654х-1,7304
</span>