Mathematics for IGCSE & O level - Sets (Section 1 - No. 45) | ExamPlay

Mathematics for IGCSE & O level - Sets (Section 1 - No. 45)

Which symbol is used to represent 'not an element of'?

∈

∉

⊆

∁

Giải thích

The symbol ∉ represents 'is not an element of'.

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