1编号:115562题型:单选题测试正确率:0%
计算:( )
2编号:115561题型:单选题测试正确率:0%
计算:=( )
3编号:104377题型:单选题测试正确率:0%
4编号:104376题型:单选题测试正确率:0%
5编号:83192题型:单选题测试正确率:0%
定义运算,下列给出了关于这种运算的几个结论:①;②;③若,则;④若,则a=0.其中正确结论的序号是( )
6编号:83189题型:单选题测试正确率:0%
7编号:83188题型:单选题测试正确率:0%
8编号:83187题型:单选题测试正确率:0%
9编号:57298题型:单选题测试正确率:60.73%
10编号:57295题型:单选题测试正确率:62.4%
提醒: