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题目内容
（佳木斯大学语言治疗学）
下选项中t不是s的序列的是( )。
·s=<{1,2},{3,4}>t=<{1},{2}>
·s=<{2,4},{3,5,6},{8}>t=<{2},{3,6},{8}>
·s=<{2,4},{3,5,6},{8}>t=<{2},{8}>
·s=<{2,4},{2,4}>t=<{2},{4}>
·s=<{1,2},{3,4}>t=<{1},{2}>
·s=<{2,4},{3,5,6},{8}>t=<{2},{3,6},{8}>
·s=<{2,4},{3,5,6},{8}>t=<{2},{8}>
·s=<{2,4},{2,4}>t=<{2},{4}>
参考答案
