From 0f244df593551326545e04a4967a92f6ffc42843 Mon Sep 17 00:00:00 2001
From: Amra Sezairi <amra.sezairi@hotmail.com>
Date: Fri, 4 Oct 2019 15:34:56 +0000
Subject: [PATCH] Done.

---
 lib/math.rb | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/lib/math.rb b/lib/math.rb
index 881d1d5..eedbacf 100644
--- a/lib/math.rb
+++ b/lib/math.rb
@@ -1,23 +1,29 @@
 def addition(num1, num2)
-
+  sum=num1+num2
+  return sum
 end
 
 def subtraction(num1, num2)
-
+  sub=num1-num2
+  return sub
 end
 
 def division(num1, num2)
-
+  div = num1/num2
+  return div
 end
 
 def multiplication(num1, num2)
-
+    multi=num1*num2
+    return multi
 end
 
 def modulo(num1, num2)
-
+    mod = num1.modulo(num2)
+    return mod
 end
 
 def square_root(num)
-
+   square_r = Math.sqrt(num)
+   return square_r
 end