This Bible contradiction is from the Skeptic's Annotated Bible.

Verses

About 500

1 Machabees 7:32 View context

About five hundred of the army of Nicanor fell, and the rest fled into the city of David.

More than 9,000

2 Machabees 8:24 View context

With the Almighty as their ally, they killed more than nine thousand of the enemy, and wounded and disabled most of Nicanor’s army, and forced them all to flee.