Menyelesaikan (12 ^ - 3)/(9 ^ - 4) | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$\frac{12^{-3}}{9^{-4}}$$