What's an easy way to memorize all pokémon resistances?

Question

Pokémon weaknesses and imunities are pretty easy to memorize, but that's not the same for resistances, mainly the steel type. The only ones I know are fighting to flying, the fire water grass triangle, fairy to fire, poison to psychic, fighting to psychic and the types that resist themseves: all the eeveelutions types, exept sylveon, that got scared of its poison and steel weaknesses (so it would be fire, water, electric, psychic, dark, grass, ice, poison and steel).

Comments

Play the game more

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Steel resists every type except its weaknesses (fire, fighting, ground) and water, electric, ghost, and dark.

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Like Fizz said, after playing the game more, especially competitive pokemon, you usually pick up on these things