Coach Michael Malone is a numbers guy. Of course, he knows that his Nuggets lead the Lakers 3-1 and can close out the first-round playoff series Monday night at Ball Arena. But he’s also acutely aware of statistical trends floating like icebergs, threatening Denver’s voyage toward a second straight NBA championship. Such as: • The Nuggets have shot 46.0% from the floor, including an ugly 27.6% on 3-pointers.