Mathematical expression with multiple variables and exponents Mathematical expression with multiple variables and exponents %e1%81%b8%e1%81%b8%e2%81%bf%cb%a3%cb%a3%cb%a3%cb%a3%cb%a3Ca%cb%a2%e1%b5%89%cb%a3%cb%a3%e2%81%bf%cb%a3%e2%81%bf