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Câu 25:

Cho tập $A=\{a, b, c, d\}$

Câu 25: Cho tập A={a,b,c,d}A=\{a, b, c, d\}A={a,b,c,d} Số tập con của A là :

Thông tin câu hỏi

Câu 25:

Cho tập $A=\{a, b, c, d\}$ Số tập con của A là :