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Rimoooooochka
@Rimoooooochka
November 2021
1
14
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СОС!СОС!СОС!СОС!СОС!СОС!СРОЧНОООООО!
Сократите дробь:
b^2/b^2+bc
2a+4/a^2-4
x^2-y^2/x^2-xy
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albinaarsamikova
1)
b^2/b^2+bc=b^2/b(b+c)=b/b+c
2)2a+4/a^2-4=2(a+2)/(a+2)(a-2)=2/a-2
3)x^2-y^2/x^2-xy=(x-y)(x+y)/x(x-y)=x+y/x
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Answers & Comments
2)2a+4/a^2-4=2(a+2)/(a+2)(a-2)=2/a-2
3)x^2-y^2/x^2-xy=(x-y)(x+y)/x(x-y)=x+y/x