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sasha251925
@sasha251925
July 2022
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а+в=-10 а-в=-2 помогите решить
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dtnth
Verified answer
Методом сложения
2a=(a+b)+(a-b)=-10+(-2)=-12
2a=-12
a=-12:2=-6
a=-6
a+b=-10; b=-10-a; b=-10-(-6)=-10+6=-4
a=-6; b=-4
1 votes
Thanks 1
eVa74
A+b=-10
a-b=-2 складываем
2a=-12
a=-6
-6+b=-10
b=-4
1 votes
Thanks 1
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Answers & Comments
Verified answer
Методом сложения2a=(a+b)+(a-b)=-10+(-2)=-12
2a=-12
a=-12:2=-6
a=-6
a+b=-10; b=-10-a; b=-10-(-6)=-10+6=-4
a=-6; b=-4
a-b=-2 складываем
2a=-12
a=-6
-6+b=-10
b=-4