diff --git a/lab2/zad2/app/src/main/java/pl/jacekpoz/GF.java b/lab2/zad2/app/src/main/java/pl/jacekpoz/GF.java
index a21c18b..9a78742 100644
--- a/lab2/zad2/app/src/main/java/pl/jacekpoz/GF.java
+++ b/lab2/zad2/app/src/main/java/pl/jacekpoz/GF.java
@@ -18,7 +18,7 @@ public class GF {
     public GF add(final GF rhs) throws IllegalArgumentException {
         verifyCharacteristics(this, rhs);
 
-        return new GF((this.value + rhs.value) % this.characteristic, this.characteristic);
+        return new GF(this.characteristic, (this.value + rhs.value) % this.characteristic);
     }
 
     public void addAssign(final GF rhs) throws IllegalArgumentException {
@@ -30,7 +30,7 @@ public class GF {
     public GF subtract(final GF rhs) throws IllegalArgumentException {
         verifyCharacteristics(this, rhs);
         if (this.value < rhs.value) {
-            return new GF(this.characteristic - (rhs.value - this.value), this.characteristic);
+            return new GF(this.characteristic, this.characteristic - (rhs.value - this.value));
         }
         return new GF((this.value - rhs.value), this.characteristic);
     }
@@ -44,7 +44,7 @@ public class GF {
     public GF multiply(final GF rhs) throws IllegalArgumentException {
         verifyCharacteristics(this, rhs);
 
-        return new GF((this.value * rhs.value) % this.characteristic, this.characteristic);
+        return new GF(this.characteristic, (this.value * rhs.value) % this.characteristic);
     }
 
     public void multiplyAssign(final GF rhs) throws IllegalArgumentException {
@@ -67,7 +67,7 @@ public class GF {
             }
         }
     
-        return new GF((this.value * inverse) % this.characteristic, this.characteristic);
+        return new GF(this.characteristic, (this.value * inverse) % this.characteristic);
     }
 
     public void divideAssign(final GF rhs) throws IllegalArgumentException {