1编号:59712题型:填空题测试正确率:0%
计算:____.
2编号:59680题型:填空题测试正确率:0%
计算的结果是____.
3编号:59640题型:填空题测试正确率:0%
若,则a+b+ab的值为____.
4编号:31399题型:填空题测试正确率:55.63%
计算的结果为____.
提醒: