[tex]frac{6}{8!} – frac{13}{9!} = ? dan frac{1}{8!} + frac{1}{9!} – frac{6}{10!} = ?

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Tolong yaa.. ^^

[tex]frac{6}{8!} – frac{13}{9!} = ? dan frac{1}{8!} + frac{1}{9!} – frac{6}{10!} = ?

Jawaban Terkonfirmasi

Atas:
$begin{align}frac{6}{8!}-frac{13}{9!}&=frac{6times 9-13}{9!} \ &=frac{54-13}{9!} \ &=frac{41}{9!}end{align}

Bawah:
$begin{align}frac{1}{8!}+frac{1}{9!}-frac{6}{10!}&=frac{1times 9times 10+1times 10-6}{10!} \ &=frac{90+10-6}{10!} \ &=frac{94}{10!}end{align}