"; echo "Suma nr.".$a.", ".$b.", ".$c." este: ".($a+$b+$c); echo "
"; echo "Media aritmetica a nr. ".$a.", ".$b.", ".$c." este: ".round(($a+$b+$c)/(3),2); } //-------------------------------------------------------- //-----------------------Problema 4----------------------- if(isset($_GET['4a']) && isset($_GET['4b']) && isset($_GET['4c'])) { $a=$_GET['4a']; $b=$_GET['4b']; $c=$_GET['4c']; $E1=$a+$b-$c; $E2=3*$E1*$b; $E3=($a-$E2)*($b-$c); echo "a=".$a." b=".$b." c=".$c."
"; echo "E1 = ".$E1."
E2 = ".$E2."
E3 = ".$E3; } //-------------------------------------------------------- //-----------------------Problema 5----------------------- if(isset($_GET['5a']) && isset($_GET['5b']) && isset($_GET['5c'])) { $a=$_GET['5a']; $b=$_GET['5b']; $c=$_GET['5c']; $max = 0; if($a > $b && $a > $c) $max = $a; if($b > $a && $b > $c) $max = $b; if($c > $a && $c > $b) $max = $c; echo "Maximul dintre ".$a.", ".$b.", ".$c." este ".$max; } //-------------------------------------------------------- //-----------------------Problema 6----------------------- if(isset($_GET['c1']) && isset($_GET['c2']) && isset($_GET['c3'])) { $c1=$_GET['c1']; $c2=$_GET['c2']; $c3=$_GET['c3']; echo "1: ".$c1." ".$c2." ".$c3."
"; echo "2: ".$c1." ".$c3." ".$c2."
"; echo "3: ".$c3." ".$c2." ".$c1."
"; echo "4: ".$c3." ".$c1." ".$c2."
"; echo "5: ".$c2." ".$c1." ".$c3."
"; echo "6: ".$c2." ".$c3." ".$c1."
"; } //-------------------------------------------------------- //-----------------------Problema 7----------------------- if(isset($_GET['n8']) && isset($_GET['m8'])) { function procent($numb1, $numb2) { if($numb1 > 0) { return round($numb2 / ($numb1 / 100),2); } else { return 0; } } $n8=$_GET['n8']; $m8=$_GET['m8']; if($m8 > $n8) echo "date incorecte"; else echo procent($n8,$m8)."% din elevi sunt in ultimul an de liceu"; } //-------------------------------------------------------- //-----------------------Problema 8----------------------- if(isset($_GET['x1']) && isset($_GET['x2']) && isset($_GET['x3']) && isset($_GET['x4']) && isset($_GET['y1']) && isset($_GET['y2']) && isset($_GET['y3']) && isset($_GET['y4'])) { $x1 = $_GET['x1']; $y1 = $_GET['y1']; $x2 = $_GET['x2']; $y2 = $_GET['y2']; $x3 = $_GET['x3']; $y3 = $_GET['y3']; $x4 = $_GET['x4']; $y4 = $_GET['y4']; echo "P1(".$x1.",".$y1.")
"; echo "P2(".$x2.",".$y2.")
"; echo "P3(".$x3.",".$y3.")
"; echo "P4(".$x4.",".$y4.")
"; $dx1 = $x3-$x1; $dy1 = $y3-$y1; $l1 = round(sqrt(pow($dx1,2)+pow($dy1,2)),2); // Lungimea segmentului (P1,P3) $dx2 = $x4-$x2; $dy2 = $y4-$y2; $l2 = round(sqrt(pow($dx2,2)+pow($dy2,2)),2); // Lungimea segmentului (P2,P4) echo "Lungimea segmentului (P1,P3): ".$l1."
"; echo "Lungimea segmentului (P2,P4): ".$l2."
"; if($l1 > $l2) echo "Lungimea segmentului (P1,P3) este mai mare decat lungimea segmentului (P2,P4)"; if($l2 > $l1) echo "Lungimea segmentului (P2,P4) este mai mare decat lungimea segmentului (P1,P3)"; else echo "Lungimea segmentului (P2,P4) este egala cu lungimea segmentului (P3,P1)"; } //-------------------------------------------------------- ?>