Math topic中文

Concept of plane vectors

Understand the real-world background and meaning of plane vectors, vector equality, and their geometric representation and basic elements.

Practice questions

  1. 1已知a→ \overrightarrow{a}a、b→ \overrightarrow{b}b、c→ \overrightarrow{c}c是向量，给出下列命题： ①①①若a→=b→ \overrightarrow{a}= \overrightarrow{b}a=b…