Hasil kali 3(3m-2n-1) adalaha.9m+6n-3b.6m-9n+3c.6m+9n-3d.9m-6n-3​

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Hasil kali 3(3m-2n-1) adalaha.9m+6n-3b.6m-9n+3c.6m+9n-3d.9m-6n-3​

3(3m-2n-1)
9m-6m-3

Jawabanya D

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