1编号:18217题型:单选题测试正确率:73.33%
计算的结果为( )
2编号:18216题型:单选题测试正确率:73.33%
3编号:18215题型:单选题测试正确率:62.32%
4编号:18214题型:单选题测试正确率:73.91%
5编号:18213题型:单选题测试正确率:59.42%
6编号:18212题型:单选题测试正确率:76.66%
7编号:18211题型:单选题测试正确率:83.3%
8编号:18210题型:单选题测试正确率:86.94%
9编号:18222题型:单选题测试正确率:84.58%
若a与b互为相反数,m与n互为倒数,则2(a+b)+3mn等于( )
10编号:18221题型:单选题测试正确率:77.88%
若|a-2|+|b+3|=0,则3a+2b等于( )
提醒: