学年人教版八年级数学上册第章分式过关训练一单选题若分式eqId9c2860e1b912fddeaf41009df3cceb02的值为则的值为eqIdacbc6a613224461ade69362d46550474eqIdf89eef3148f2d4d09379767b4af69132下列分式变形中正确的是eqId9e2f6fe89d15dddbe7759bc9650e5ae9eqId739acf7db1e5c2ac5efee8341511d12eeqId4f45991dbb346bd1a579e2ef010ad7f4eqId67a52902dba4c7e56e3130b5d6b801c6如果把分式eqIdab8e9c1a3e98c0023e7e5a09041806bf中的和都扩大倍那么分式的值不变扩大倍扩大倍缩小倍要使分式eqId0c7c663cb29b7a23794698efccea0653有意义的取值应满足且或已知下列各式与eqIda680701418b44e2c29bc0bc1359762cf相等的是eqIde31c4e4b06363f986bd061cec19e0c7eeqId