1编号:26951题型:单选题测试正确率:63.89%

2编号:26950题型:单选题测试正确率:37.88%

3编号:26949题型:单选题测试正确率:40.91%

4编号:26948题型:单选题测试正确率:75.76%

5编号:26947题型:单选题测试正确率:40.59%

6编号:26946题型:单选题测试正确率:72.94%

7编号:26945题型:单选题测试正确率:65.29%

8编号:26944题型:单选题测试正确率:42.86%

计算(x-y)8÷(y-x)2÷(x-y)4的结果为()

9编号:26943题型:单选题测试正确率:33.33%

下列计算正确的是()

10编号:26942题型:单选题测试正确率:42.86%

下列计算正确的是()