The first volume of the fourth grade mathematics unit 2 handwritten newspaper figure (2)

Unit 12 of the first volume of fourth grade mathematics, handwritten newspaper materials?

First, famous mathematical sayings

1) Pure mathematics is a magician's real wand. Novalis?

2) Some beautiful theorems in mathematics have the following characteristics: they are easy to be summarized from facts, but the proofs are extremely hidden. Gauss

3) Mathematics dominates the universe. Pythagoras

4) Mathematics is a tool of knowledge and the source of other knowledge tools. All the sciences that study order and measurement are related to mathematics. Descartes

5) Mathematics is a rational spirit, which enables human thinking to be applied to the most perfect degree. Klein

6) Mathematics is a constantly developing culture. Wilde

7) Mathematics is a clever art ... halmos.

8) Mathematics is the highest form of all knowledge. -Plato

9) Mathematics is the study of quantitative relations and spatial forms in real life. -Engels

10) Mathematics is a theory to study abstract structures. Bourbaki school

Second, the mathematical riddle?

Portrait (a mathematical noun)? Answer: Merge similar items (merge similar stage)

Sheep fight (a mathematical noun)? Answer: The vertex angle is opposite.

Much the same (type a mathematical noun). Answer: Similar?

That's a smart head. Blink your eyes and wear it all over the place. It's not difficult to add, subtract, multiply and divide (using a calculation tool)? Answer: Calculator?

Forge accounts (type a mathematical term)? Answer: False (Hypothesis)