document.write(Math.abs(-4)); //abs wartość bezwzgledna
document.write("<br>");
document.write(Math.ceil(4.01)); //ceil zaokragla do gory
document.write("<br>");
document.write(Math.floor(4.99)); //floor zaokragla do dołu
document.write("<br>");
document.write(Math.round(6.51)); //round zaokrągla normalnie do 0,49 w doł od 0.50 do góry
document.write("<br>");
document.write(Math.max(-2,5));// najwiekszą liczbe pokazuje maksymalną
document.write("<br>");
document.write(Math.min(5,-3,-91)); //pokazuje minimalną liczbe
document.write("<br>");
document.write(Math.pow(2,3)); //potegowanie
document.write("<br>");
document.write(Math.sqrt(25)); //pierwiastek
document.write("<br>");
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