ЯсноПонятно24

To solve this problem, we first need to find the values of a, b, c, and d.

Given that (a - b)/(c - d) = (a + b)/(c + d) and ad = 60, we can rewrite the equation as:

(a - b)(c + d) = (a + b)(c - d)

Expanding both sides, we get:

ac + ad - bc - bd = ac - ad + bc - bd

Simplifying, we get:

2ad = 2bc

Since ad = 60, we can substitute this into the equation:

2(60) = 2bc 120 = 2bc bc = 60

Now that we have found the value of bc, we can find the value of abc*d:

abcd = ad * bc abcd = 60 * 60 abc*d = 3600

Therefore, the value of abc*d is 3600.