Уравнение 1)(3,1d-d):0,2=1,05 2)а-9\16 а =5 целых 1\4

Question

Уравнение
1)(3,1d-d):0,2=1,05
2)а-9\16 а =5 целых 1\4

Answer 1

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Comments

а 2

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2). 7/16а=21/4. а=12

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ето ответ на 2

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а-9/16а=21/4. 7/16а=21/4. а=21/4*16/7. а=12