Answer
10+9=19
75÷3=19
Explanations
Expression is a mathematical statement that contain variables like a and b combined by operational signs. This sign can be ×,÷,+,-etc
A number like 19 has so many expression, for example we have;
10+9=19
57÷3=19
34-15=19
We can have as many expressions as possible. They are actually infinite.
