58:(76:4)

Let's simplify the expression step by step:

Given: 58 : (76 : 4)

First, evaluate the expression inside the parentheses:

76 ÷ 4 = 19

Now, the expression becomes:

58 ÷ 19

Next, perform the division:

58 ÷ 19 = 3.0526... (which is a repeating decimal)

So, the simplified result is approximately 3.05.