摘要:2.(理)当z =时.z100 + z50 + 1的值等于 ( ) A.1 B.– 1 C.i D.– i (文)已知全集U = {1.2.3.4.5.6.7}.A = {3.4.5}.B = {1.3.6}.则A∩(UB) 等于 ( ) A.{4.5} B.{2.4.5.7} C.{1.6} D.{3}
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