Does space vector subtraction have exchange rate and combination law Space vector addition has exchange rate, subtraction has

Subtraction is also available. Subtracting a number is to add the opposite number of the number, so is a vector. Subtracting a vector is to add the opposite vector of the vector
So, you can think that in mathematics, there are only addition and multiplication, not subtraction and division. Subtraction is addition, just one addition is a positive number, and the other addition is a negative number

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1. Is there a distributive law for vector subtraction!
2. In vector addition, how to add two collinear vectors when they are reversed? Please give an example
3. What is the geometric meaning of vector addition?
4. High one vector addition operation In the triangle ABC, AB + BC = AC In quadrilateral ABCD, AB + BC + CD = AC + CD = ad In Pentagon ABCDE, AB + BC + CD + de = AC + CD + de = AD + de = AE What are the general rules?
5. On the problem of vector addition~ (vector AB + vector MB) + (vector Bo + vector BC) + vector OM=______________ ?
6. Vector cross product The result of dot multiplication "·" is a scalar; a · B = | a | B | cosw (there are vector marks on a and B, so it is not convenient to type. W is the angle of two vectors). The result of cross multiplication "×" is a vector perpendicular to the plane of the original vector A × B = | a | B | SiNW?
7. On the problem of vector cross product Vector Ba = 1 / 2 (2 vector a + vector b-vector C) vector BC = 1 / 2 (vector a + vector C) ask vector Ba cross product vector BC =?
8. Vector cross product problem For example, if two vectors a (1,5), B (2,3) and the angle between the two vectors is assumed to be @, can we write out the detailed solution process of sin @ (is the cross product of vectors only limited to three coordinates?)
9. The geometric meaning of the cross product of the difference between two vectors and the sum of two vectors
10. Geometric meaning of vector point multiplication
11. Why does the scalar product of a vector not satisfy the associative law
12. Is there an association law for vector subtraction?
13. The subtraction of space vector satisfies the combination law What is the law of association?
14. Subtraction of vector Some judgment question vector ab - vector BC = vector AC, seeking advice vector ab - vector BC should be wrong, but I can't work it out. I'm depressed
15. Subtraction of coordinate vector What is (- 6, - 5) - (4, - 6)?
16. The difference between vector and physical vector
17. Is the vector in mathematics related to the vector in physics
18. Is vector as like as two peas? What is the reason why mathematics is usually referred to as vectors in physics?
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