Matematika

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[tex] {5}^{4} \times {5}^{6} = \\ a {}^{ - 2} \times a {}^{ - 9 } = \\ 4 {}^{8} \times 4 {}^{ - 5} = \\ b {}^{ - 7} \times b \\ tolong \: ya \: kk \: please \\ 30 \: poin \: deh...[/tex]

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