Magic of Math #1

Algebra Level 4

\(abc+ab+bc+ca+a+b+c=71\)
\(bcd+bc+cd+db+b+c+d=191\)
\(cda+cd+da+ac+c+d+a=95\)
\(dab+da+ab+bd+d+a+b=143\)

Evaluate the real value of \(abcd+a+b+c+d \).

×

Problem Loading...

Note Loading...

Set Loading...