Question

How can you use the integers from 1 to 19 to represent the number four (4) using only four 4's?

Answer 1

You can represent the number four (4) using only four 4's by either adding, subtracting, or dividing the 4's in different combinations.

Step-by-step explanation:

One way to represent the number four (4) using only four 4's is:

4 + 4 - 4 + 4 = 4

Another way is:

(4 / 4) + (4 / 4) = 4

There are multiple combinations to represent the number four using only four 4's, but these are a couple of examples.