diff --git a/src/practices/practice_5/task/task_1.java b/src/practices/practice_5/task/task_1.java
new file mode 100644
index 0000000..0d9bc6b
--- /dev/null
+++ b/src/practices/practice_5/task/task_1.java
@@ -0,0 +1,80 @@
+package practices.practice_5.task;
+
+public class task_1 {
+
+    public static void main(String[] args) {
+
+        // =, +=, -=, *=, /=, %=
+        int a = 10;
+        int b = 3;
+
+        a += b;
+        a -= b;
+        a *= b;
+        a /= b;
+        a %= b;
+
+        // + и - и * и / и %
+        int sum = a + b;
+        int diff = a - b;
+        int mul = a * b;
+        int div = a / b;
+        int mod = a % b;
+
+        // > >= < <= == !=
+        boolean greater = a > b;
+        boolean lessOrEqual = a <= b;
+        boolean equal = a == b;
+        boolean notEqual = a != b;
+
+        // && и ||
+        boolean logicAnd = (a > 0) && (b > 0);
+        boolean logicOr = (a < 0) || (b > 0);
+
+        // | ^ &
+        int bitOr = a | b;
+        int bitXor = a ^ b;
+        int bitAnd = a & b;
+
+        // << >> >>>
+        int shiftLeft = a << 1;
+        int shiftRight = a >> 1;
+        int unsignedShift = a >>> 1;
+
+        // ++ --
+        int x = 5;
+        int preInc = ++x;
+        int postInc = x++;
+
+        int y = 7;
+        int preDec = --y;
+        int postDec = y--;
+
+        // ! ~
+        boolean flag = false;
+        boolean notFlag = !flag;
+        int inverted = ~a;
+
+        // ?:
+        String result = a > b ? "a больше b" : "a меньше или равно b";
+
+        // String + базовые типы
+        String text = "Результат: " + a + ", " + b;
+
+        // Вывод
+        System.out.println("Сумма: " + sum);
+        System.out.println("Разность: " + diff);
+        System.out.println("Произведение: " + mul);
+        System.out.println("Деление: " + div);
+        System.out.println("Остаток: " + mod);
+        System.out.println("Сравнения: " + greater + ", " + lessOrEqual);
+        System.out.println("Логика: " + logicAnd + ", " + logicOr);
+        System.out.println("Побитовые: " + bitOr + ", " + bitXor + ", " + bitAnd);
+        System.out.println("Сдвиги: " + shiftLeft + ", " + shiftRight + ", " + unsignedShift);
+        System.out.println("Префиксы: " + preInc + ", " + postInc);
+        System.out.println("Постфиксы: " + preDec + ", " + postDec);
+        System.out.println("Логика ! и ~: " + notFlag + ", " + inverted);
+        System.out.println(result);
+        System.out.println(text);
+    }
+}