1编号:17793题型:单选题测试正确率:76.88%
计算的结果是()
2编号:17792题型:单选题测试正确率:61.81%
3编号:17791题型:单选题测试正确率:85.05%
4编号:17790题型:单选题测试正确率:87.01%
5编号:17789题型:单选题测试正确率:37.75%
6编号:17788题型:单选题测试正确率:76.01%
7编号:17787题型:单选题测试正确率:78.17%
8编号:17786题型:单选题测试正确率:72.43%
9编号:17776题型:单选题测试正确率:28.43%
-|-a|是一个( )
10编号:17775题型:单选题测试正确率:34.91%
若|x|=-x,则x是( )
提醒: