文档介绍：高考数学公式大全(完整版)
中学数学常用公式及常用结论
1. 元素与集合的关系
U x A x C A ∈??,U x C A x A ∈??.
();()U U U U U U高考数学公式大全(完整版)
中学数学常用公式及常用结论
1. 元素与集合的关系
U x A x C A ∈??,U x C A x A ∈??.
();()U U U U U U C A B C A C B C A B C A C B ==.
A B A A B B =?=U U A B C B C A ???? U A C B ?=ΦU C A B R ?=
()()card A B cardA cardB card A B =+-
()()card A B C cardA cardB cardC card A B =++-
()()()()card A B card B C card C A card A B C ---+.
5．集合12{,,,}n a a a 的子集个数共有2n 个；真子集有2n –1个；非空子集有2n
–1
个；非空的真子集有2n –2个.
(1)一般式2
()(0)f x ax bx c a =++≠; (2)顶点式2
()()(0)f x a x h k a =-+≠; (3)零点式12()()()(0)f x a x x x x a =--≠. ()N f x M - ?
11
()f x N M N
>