Предмет: Алгебра, автор: lovvkkii

 frac{a-b}{a+b} при a=-0,2 b=-0.6 Помогите решить 1 задание =)

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Автор ответа: ArtemCoolAc
0
А что тут сложного? Подставить значения и посчитать:  frac{a-b}{a+b}= frac{-0,2-(-0,6)}{-0,2+(-0,6)}= frac{-0,2+0,6}{-0,2-0,6}= frac{0,4}{-0,8}=- frac{4}{8}=- frac{1}{2}=-0,5
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