131. Juggling with numbers. Compose three simple arithmetic expressions from ten digits, using three of the four arithmetic operations - addition, subtraction, multiplication, and division. (In writing the expressions, only the symbols of the three chosen arithmetic operations are allowed.) Let us clarify this with an example. Consider three arithmetic expressions:

$$
3+4=7 ; \quad 9-8=1 ; \quad 30: 6=5
$$

This example cannot serve as a solution to the problem, since the digit 2 is missing, and the digit 3 is repeated twice.
131. \(7+1=8 ; 9-6=3 ; 4 \times 5=20\).