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The number 523 stamped inside a ring typically indicates the metal's purity and the manufacturer's identification. In this case, "523" suggests that the ring is made of a metal alloy that is 52.3% pure, commonly referring to silver or gold. However, this specific marking is less common, and it's essential to verify with a jeweler for accurate identification. Always check the context and additional markings for clarity on the ring's composition.
194 + 329 = 523. Found by subtracting 329 from 523. 523 - 329 = 194.
523
2x-523 = -521
-5.23 = -523/100 and simplifies to: -523/100