1编号:22409题型:单选题测试正确率:59.98%

2编号:22408题型:单选题测试正确率:50.37%

3编号:22407题型:单选题测试正确率:71.35%

设n为正整数,则的结果为( )

4编号:22406题型:单选题测试正确率:68.87%

下列计算正确的是()

5编号:22405题型:单选题测试正确率:69.5%

6编号:22404题型:单选题测试正确率:67.11%

7编号:22403题型:单选题测试正确率:68.9%

8编号:22402题型:单选题测试正确率:70.34%

9编号:22401题型:单选题测试正确率:59.3%

10编号:22400题型:单选题测试正确率:70.78%