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= 2 per 3p + 2q x 3 per 3p (samakan penyebut)
(2 + 6q) per 3p
x per 2y - 2y per xy=
x × x per 2xy - 2y × 2 per 2xy=
(x^2 -4y) per 2xy
jika boleh taw ini soal kelas berapa ya??