1编号:47184题型:填空题测试正确率:32.67%
若,且,则m=____.
2编号:30622题型:填空题测试正确率:56.86%
若2x2-x=1,则4x4-4x3+3x2-x+4=____.
3编号:30588题型:填空题测试正确率:55.47%
已知x=2-y,则的值为____.
4编号:30583题型:填空题测试正确率:54.77%
当x=-1时,代数式px3+qx+2的值是2017;则当x=1时,代数式px3+qx+2的值是____.
5编号:30582题型:填空题测试正确率:69.84%
若x3-3x+3=0,则代数式2x3-6x+8的值是____.
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