3. 試問不等式\( 5(x+1)-3(x-1)<0 \)的解為何?
(A)\( x<-4 \)
(B)\( x>-4 \)
(C)\( x<4 \)
(D)\( x>4 \)

答案:登入後查看
統計: A(0), B(1), C(0), D(0), E(0) #3873691