https://lemmy.ml/u/SoGrumpy posted on Feb 21, 2026 09:03
In reply to: https://lemmy.world/comment/22263505
In reply to: https://lemmy.world/comment/22263505
No, the ?=15
The right-hand number minus the left-hand number equals the lower number: 99-72=27 Therefore 36-21=15