1编号:54938题型:单选题测试正确率:89.75%
计算:-1+(-2)= ;1+(-3)= .( )
2编号:53620题型:单选题测试正确率:86.2%
计算的结果是( )
3编号:53619题型:单选题测试正确率:93.25%
4编号:53618题型:单选题测试正确率:90.6%
5编号:53617题型:单选题测试正确率:88.75%
6编号:53616题型:单选题测试正确率:83.87%
计算: ; .( )
提醒: