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<html lang='uk'><body><h2>Оператор ** </h2><p id="demo"></p><script>var x = 5;document.getElementById("demo").innerHTML = x ** 2;</script></body></html><html lang='uk'><body><h2>Оператор ** </h2><p id="demo"></p><script>var x = 5;document.getElementById("demo").innerHTML = x ** 2;</script></body></html>