+plus definitely said so in class, but it may be like this in the book (addieren).

-The minus sign is used as above.

*mal ditto, multiplizieren.

/Same thing, Divy Dylan.

Potanzilun Square

Grechon equation

Variable x

$ Term sequence equation

Appendix 1. Summarize appendix 2. Addendum and Addendum

Minus, Minus and Difference.

Multiplier 1. The normal vector is multiplied by 2. Faktor products

The quotient of divisor divided by dividend

parallel

Natural number 1 2 3 4 .....

Ganze Zahl integer 1 2- 1 2. . . . .

Basic principle Zahl rational number 1.3 -5.6 ......

The root of irrational number Zahl irrational number 2 square

Let's start with this