Toán Lớp 8: Thực hiện phép cộng :
a+1/a^2-ab-1-b/b^2-ab
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Toán Lớp 8: Thực hiện phép cộng :
a+1/a^2-ab-1-b/b^2-ab
Comments ( 2 )
= {a+1}/{a(a-b)} – {1-b}/{b(b-a)}