Fragen 1-3 für Kategorie Rechnen Level 3

src/main.c

@@ -493,14 +493,27 @@ int main()
         .size = 12
     };
 
+    Question rechnenQst25= {.question = "340 + 560 + 120", .answer = "1020"};
+    Question rechnenQst26= {.question = "270 + 480 + 630", .answer = "1380"};
+    Question rechnenQst27= {.question = "730 + 290 + 560", .answer = "1580"};
+
+
+Level rechnenlevel3 = 
+    {
+        .questions = 
+        {
+            rechnenQst25, rechnenQst26, rechnenQst27, 
+        },
+        .size = 3
+    };
 
     Category rechnen = 
     {
-        .size = 1, // size = Anzahl Level
+        .size = 3, // size = Anzahl Level
         .name = "Kopfrechnen", 
         .lvlQuestions = 
         {
-           rechnenlevel1, rechnenlevel2,
+           rechnenlevel1, rechnenlevel2, rechnenlevel3,
         }
     };