4x+8错写成4(x+8),结果比原来请选择DCBA9V8l9J6e:Y/V6T8O2H:F7L,n*~:g6c4T+Z+x7S+x4B
A.多42H:F7L,n*~:g6c4T+Z+x7S+x4B
B.少42H:F7L,n*~:g6c4T+Z+x7S+x4B
C.多242H:F7L,n*~:g6c4T+Z+x7S+x4B
D.少242H:F7L,n*~:g6c4T+Z+x7S+x4B