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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 8: a-b/a^2+ab×b^2+ab/(a-b)^2 Cần giải gấp ạ Vote 5 saoooo

Toán Lớp 8: a-b/a^2+ab×b^2+ab/(a-b)^2
Cần giải gấp ạ
Vote 5 saoooo

Comments ( 1 )

  1. (a-b)/(a^2+ab) . (b^2+ab)/((a-b)^2)
    =((a-b)b(a+b))/(a(a+b)(a-b)^2)
    =b/(a(a-b))
    #LHuy
    $@Tr$ 
     

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222-9+11+12:2*14+14 = ? ( )

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