1编号:33718题型:单选题测试正确率:58.52%
化简的结果为( )
2编号:33717题型:单选题测试正确率:78.57%
3编号:33716题型:单选题测试正确率:63.94%
4编号:33715题型:单选题测试正确率:72.86%
化简的结果( )
5编号:33714题型:单选题测试正确率:76.74%
6编号:32634题型:单选题测试正确率:65.47%
已知|a-1|+(b+2)2=0,则代数式的值为( )
7编号:32633题型:单选题测试正确率:71.54%
化简5a-[a2+(5a2-3a)-6(a2-a)]+1的结果为( )
8编号:32422题型:填空题测试正确率:49.78%
已知m+n=2,则的值 为____.
9编号:32421题型:填空题测试正确率:62.99%
当x=-2,y=1时,x2y-(2xy2+x2y)+(2xy2+4x3y)的值为____.
10编号:32420题型:单选题测试正确率:66.2%
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