[问答题]------------.
[问答题]-----------.
[单选题]A.f(2x+1)+cB.C.2f(2x+1)+CD.f(x)+C
[单选题]A.f(2x+1)+cB.C.2f(2x+1)+CD.f(x)+C
[单选题]A.50%~60%B.20%~30%C.40%~50%D.30%~40%E.65%~70%
[单选题]A.a任意,b=0B.a任意,b=-1C.D.
[单选题]A.a任意,b=0B.a任意,b=-1C.D.
[单选题]A.a任意,b=0B.a任意,b=-1C.D.