adding subtraction multiply and divide all values of two array with each other and stored them into thrid array

var array1:Array=new Array();
var array2:Array=new Array();
var sumarray:Array=new Array();
var subarray:Array=new Array();
var multiarray:Array=new Array();
var diviarray:Array=new Array();
fillmyArrays()
function fillmyArrays():void
{
for(var i:uint=0;i<10;i++)
{
array1.push(randRange(0,100) );
array2.push(randRange(0,100) );
}


}
forsum()
function forsum():void
{
var x:Number=0;
var y:Number=0;
var z:Number=0;
for(var i in array1 )
{
x=array1[i];
y=array2[i];
z=x+y;
sumarray.push(z);
}

}
 forsub()
function forsub():void
{
var x:Number=0;
var y:Number=0;
var z:Number=0;
for(var i in array1 )
{
x=array1[i];
y=array2[i];
//swaping values prevent negative answer
if(x<y)
{
y=x+y;
x=y-x;
y=y-x;
}
z=x-y;
subarray.push(z);
}

}
formulti()
function formulti():void
{
var x:Number=0;
var y:Number=0;
var z:Number=0;
for(var i in array1 )
{
x=array1[i];
y=array2[i];
z=x*y;
multiarray.push(z);
}

}
fordivi()
function fordivi():void
{
var x:Number=0;
var y:Number=0;
var z:Number=0;
for(var i in array1 )
{
x=array1[i];
y=array2[i];
//swaping values prevent negative answer
if(x<y)
{
y=x+y;
x=y-x;
y=y-x;
}
z=x/y;
diviarray.push(z);

}
trace(diviarray)
}

function randRange(min,max) {
var randomNum:Number=Math.floor(Math.random() * (max - min + 1) + min);
return randomNum;
}