1编号:56082题型:单选题测试正确率:72.71%
化简的结果为( )
2编号:56081题型:单选题测试正确率:78.83%
3编号:56080题型:单选题测试正确率:74.0%
4编号:56079题型:单选题测试正确率:78.05%
5编号:56078题型:单选题测试正确率:80.46%
6编号:54107题型:单选题测试正确率:48.31%
已知,则代数式的值为( )
7编号:54106题型:单选题测试正确率:61.67%
8编号:54105题型:单选题测试正确率:55.81%
9编号:54104题型:单选题测试正确率:60.73%
10编号:54013题型:单选题测试正确率:44.15%
把看成一个整体,当时,化简求值:的值为( )
提醒: