3 = 1,2,3,4,5,6,7,8 add a sign in the middle of three to make the equation hold

3 = 1,2,3,4,5,6,7,8 add a sign in the middle of three to make the equation hold

(3+3+3)/3/3=1
(3*3+3)/(3+3)=2
3*3*3/3/3=3
(3+3+3+3)/3=4
3/3+3/3+3=5
(3*3+3*3)/3=6
[(3+3)*3+3]/3=7
(3*3*3-3)/3=8

Examples of axes of symmetry in life
The more, the better.

People
Beverage bottle cap
mouse
The surface of the book
The shape of clothes
Certificate of award
Eiffel Tower in Paris
The Arc de Triomphe in Paris
wooden pencil
window
scissors
······

How to make a more comprehensive mathematical transcript? It should be related to life, and it can be some knowledge related to life

The origin and early development of Mathematics: mathematics, like other branches of science, is a kind of intellectual accumulation developed through human social practice and production activities under certain social conditions. Its main content reflects the quantitative relationship and spatial form of the real world, as well as the relationship and structure between them