`\text {@Luffy Cat}`
Ta có: 1 - $\dfrac{98765432}{99765433}$ = $\dfrac{1000001}{99765433}$
1 - $\dfrac{10234567}{11234568}$ = $\dfrac{1000001}{11234568}$
Vì $\dfrac{1000001}{99765433}$ < $\dfrac{1000001}{11234568}$ nên $\dfrac{98765432}{99765433}$ > $\dfrac{10234567}{11234568}$
Vậy $\dfrac{98765432}{99765433}$ > $\dfrac{10234567}{11234568}$