您选择的知识点:
  • 绝对值删除

1编号:21432题型:单选题测试正确率:57.41%

2编号:21431题型:单选题测试正确率:51.85%

3编号:21405题型:单选题测试正确率:42.7%

4编号:21265题型:单选题测试正确率:43.9%

5编号:20983题型:单选题测试正确率:34.55%

计算 的结果为()

6编号:20980题型:单选题测试正确率:45.53%

7编号:20979题型:单选题测试正确率:43.9%

8编号:20649题型:单选题测试正确率:72.17%

若|x|=-x,则x的取值范围是()

9编号:20648题型:单选题测试正确率:77.67%

下列说法正确的是()

10编号:19000题型:单选题测试正确率:57.14%

-1的相反数是()