来自马建的问题
若式子x+1x+2÷x+3x+4有意义,则x的取值范围是()A.x≠-2,x≠-4B.x≠-2C.x≠-2,x≠-3,x≠-4D.x≠-2.x≠-3
若式子x+1x+2÷x+3x+4有意义,则x的取值范围是()
A.x≠-2,x≠-4
B.x≠-2
C.x≠-2,x≠-3,x≠-4
D.x≠-2.x≠-3
1回答
2020-03-30 15:07
若式子x+1x+2÷x+3x+4有意义,则x的取值范围是()A.x≠-2,x≠-4B.x≠-2C.x≠-2,x≠-3,x≠-4D.x≠-2.x≠-3
若式子x+1x+2÷x+3x+4有意义,则x的取值范围是()
A.x≠-2,x≠-4
B.x≠-2
C.x≠-2,x≠-3,x≠-4
D.x≠-2.x≠-3
∵x+3x+4