Предмет: Математика, автор: Аноним

решите пожалуста уранении

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Автор ответа: marginamagic

1) х+2,8=4,1
Х=1,3

2)у= 15,4-4,1
у=11,3

3) ч=15,1+6,8
Ч=21,9

4)10-х=6,4
Х=10-6,4
Х=3,6

5)5,5+х=32,25
х=32,25-5,5
Х=26,75

6) 6,2-х= 6,19
Х=0,01

7) 3х=8,7
Х=2,9

8) 2а=32-8,154
2а=23,846
а=11,923

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