1.2 集合的基本关系 课件——2023-2024学年高一上学期数学北师大版（2019）必修第一册

第1章 预备知识 1.1.2 集合的基本... text has been truncated due to evaluation version limitation. 北师大版必... text has been truncated due to evaluation version limitation. 什么是集合... text has been truncated due to evaluation version limitation. 1 ... text has been truncated due to evaluation version limitation. （1）A={1，2，3，4}，B={1，2，3} （2）集合A：高一全体... text has been truncated due to evaluation version limitation.B：高一全体... text has been truncated due to evaluation version limitation. （3）集合M：所有等腰... text has been truncated due to evaluation version limitation.N：所有等边... text has been truncated due to evaluation version limitation. ... text has been truncated due to evaluation version limitation.1）（2）（3）中的两个... text has been truncated due to evaluation version limitation.A和B，集合B中的 每一个元素... text has been truncated due to evaluation version limitation.A中的元素，... text has been truncated due to evaluation version limitation.A包含集合B，或者说 集合B包含于集合A。像这样，... text has been truncated due to evaluation version limitation.A，B，如果集合B中任意 一个元素都... text has been truncated due to evaluation version limitation.A中的元素，... text has been truncated due to evaluation version limitation.B为集合A的子集， 记作：BA，或者B，读作B包含于A，A包含B 什么是集合... text has been truncated due to evaluation version limitation. 1 【对子集的理... text has been truncated due to evaluation version limitation.】 （1）若A B，则有任意， （2）当集合B中存在不属... text has been truncated due to evaluation version limitation.A的元素时，... text has been truncated due to evaluation version limitation.B不是集合A的 子集，记作或，读作“B不包含于A”或“A不包含B”， （3）集合中的... text has been truncated due to evaluation version limitation. 举例说明，... text has been truncated due to evaluation version limitation.A={1,... text has been truncated due to evaluation version limitation.，B={1,... text has been truncated due to evaluation version limitation.，C={1,... text has been truncated due to evaluation version limitation.则有 ， 什么是集合... text has been truncated due to evaluation version limitation