Practice · Real Numbers & Sets — L2 Set language: elements, subsets, set-builder notation

Question 1 of 10 · 0 correct so far
Difficulty: Medium
Short answer

Let A = {3, 6, 9, 12}. Fill in ∈ or ∉: (a) 6 __ A (b) 10 __ A

Fractions like 1 1/2, 9/6 and 3/2 are all accepted where they're equal.

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