1编号:73629题型:单选题测试正确率:0%
若,则= .( )
2编号:39479题型:填空题测试正确率:49.56%
已知,则=____.
3编号:36006题型:填空题测试正确率:37.77%
若,则2x-4y=____.
4编号:36005题型:填空题测试正确率:52.61%
5编号:31846题型:填空题测试正确率:73.18%
当-3<x<1时,化简可得=____.
6编号:31845题型:填空题测试正确率:64.44%
若,则2x-4y=____.
7编号:31724题型:填空题测试正确率:59.04%
已知1<x<3,则=____
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