7. Complete com os símbolos ∈, ∉, ⊂ ou ⊄, de
acordo com a relação que pode ser estabelecida entre as
sentenças.

0,222 … _____ ℚ 2,3 … _____ ℕ − 13 _____ ℤ ℕ _____ ℤ ℚ _____ ℕ
1
3_____ ℤ √7 _____ ℚ ℤ _____ ℝ √16 _____ ℕ ℤ _____ ℚ 0,2 _____ ℚ

√3 _____ II √12 _____ ℝ help
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