Create ex 3

chapter 6/ex 3

@@ -0,0 +1,18 @@
+        const val1 = 10;
+        const val2 = 5;
+        const myArr = [];
+
+        for(let x=0;x<10;x++){
+            let val1 = 5 * x;
+            let val2 = x * x;
+            let res = cal(val1, val2);
+            myArr.push(res);
+        }
+        console.log(myArr);
+        function cal(a, b, op) {
+            if (op == "-") {
+                return a - b;
+            } else {
+                return a + b;
+            }
+        }