已知一元二次方程eqId635e4d46801c4330bc856e231f4056f0中二次项系数,-次项系数和常数项之和为eqIda86879ae304449a4a6e6461c485a1f13,那么方程必有一根为(  ).
A.eqIdf1bd69290a464f71ac73b93c51985105B.eqIda86879ae304449a4a6e6461c485a1f13C.eqIdfca343da1efc413487359c1551da9dbeD.eqId6a802b6dfc63409ea3b8e335120efdba
出卷网

采用过本试题的试卷

更多相关初三试卷