Не для слабонервных xD

[SnakeSanders]

Но такой прекрасный, этот кусок моей работы... =.=

<var name="op1">
	<v>
		(s1==1)?1:(
		(s2==1)?
		(((z1=="+"||z1=="−")&&(z3=="×"||z3=="÷"))?3:2):
		((s3==1&&s1!=1)?(
		((z1=="+"||z1=="−")&&(z2=="×"||z2=="÷"))?3:2):""))
	</v>
</var>
<var name="op2">
	<v>
		(s3==1&&s1==1)?3:(
		(s2==1)?1:(
		(s1==1)?
		(((z2=="+"||z2=="−")&&(z3=="×"||z3=="÷"))?3:2):
		((s3==1)?(
		((z1=="×"||z1=="÷")||((z1=="+"||z1=="−")&&(z2=="+"||z2=="−")))?3:2):"")))
	</v>
</var>
<var name="op3">
	<v>
(s3==1&&s1!=1)?1:(
	(s1==1&&s3==1)?2:((s2==1)?(
		((z1=="×"||z1=="÷")&&(z3=="+"||z3=="−"))?3:(((z1=="+"||z1=="−")&&(z3=="×"||z3=="÷"))?2:3)):(
			(s1==1)?(((z2=="×"||z2=="÷")||(z3=="+"||z3=="−"))?3:(((z2=="+"||z2=="−")&&(z3=="×"||z3=="÷"))?2:"")):"")))
	</v>
</var>


<var name="o1">
	<v>(op1=="1")?
	((z1=="+")?a+b:
				((z1=="−")?a-b:
						((z1=="×")?a*b:
								((z1=="÷")?a/b:"")))):(
(op2=="1")?
	((z2=="+")?b+c:
				((z2=="−")?b-c:
						((z2=="×")?b*c:
								((z2=="÷")?b/c:"")))):(
(op3=="1")?
	((z3=="+")?c+d:
				((z3=="−")?c-d:
						((z3=="×")?c*d:
								((z3=="÷")?c/d:"")))):""))
	</v>
</var>
<var name="o2">
	<v>(op1=="2"&&op2=="1")?
	((z1=="+")?a+num(o1):
				((z1=="−")?a-num(o1):
						((z1=="×")?a*num(o1):
								((z1=="÷")?a/num(o1):"")))):(
(op1=="2")?
	((z1=="+")?a+b:
				((z1=="−")?a-b:
						((z1=="×")?a*b:
								((z1=="÷")?a/b:"")))):(
(op2=="2"&&op1=="1")?
	((z2=="+")?num(o1)+c:
				((z2=="−")?num(o1)-c:
						((z2=="×")?num(o1)*c:
								((z2=="÷")?num(o1)/c:"")))):(
(op2=="1"&&op3=="2")?
	((z3=="+")?num(o1)+d:
				((z3=="−")?num(o1)-d:
						((z3=="×")?num(o1)*d:
								((z3=="÷")?num(o1)/d:"")))):(
(op2=="2"&&op3=="1"&&num(op1)!=1)?
	((z2=="+")?b+num(o1):
				((z2=="−")?b-num(o1):
						((z2=="×")?b*num(o1):
								((z2=="÷")?b/num(o1):"")))):(
(op3=="2")?
	((z3=="+")?c+d:
				((z3=="−")?c-d:
						((z3=="×")?c*d:
								((z3=="÷")?c/d:"")))):"")))))
	</v>
</var>
<var name="o3">
	<v>(op1=="3")?
	((z1=="+")?a+num(o2):
				((z1=="−")?a-num(o2):
						((z1=="×")?a*num(o2):
								((z1=="÷")?a/num(o2):"")))):(
((op2=="3"&&s1==1&&s3==1)||(op2=="3"&&op1=="1"&&op3=="2"))?
	((z2=="+")?num(o1)+num(o2):
				((z2=="−")?num(o1)-num(o2):
						((z2=="×")?num(o1)*num(o2):
								((z2=="÷")?num(o1)/num(o2):"")))):(
(op2=="3"&&op3=="1"&&op1=="2")?
			((z2=="+")?num(o2)+num(o1):
				((z2=="−")?num(o2)-num(o1):
						((z2=="×")?num(o2)*num(o1):
								((z2=="÷")?num(o2)/num(o1):"")))):(
(op2=="3"&&op1=="2")?
	((z2=="+")?num(o2)+num(o1):
				((z2=="−")?num(o2)-num(o1):
						((z2=="×")?num(o2)*num(o1):
								((z2=="÷")?num(o2)/num(o1):"")))):(
(op3=="3")?
	((z3=="+")?num(o2)+d:
				((z3=="−")?num(o2)-d:
						((z3=="×")?num(o2)*d:
								((z3=="÷")?num(o2)/d:"")))):""))))
	</v>
</var>


<var name="ot1">
	<v>(op1=="1")?a+" "+z1+" "+b:(
(op2=="1")?b+" "+z2+" "+c:(
(op3=="1")?c+" "+z3+" "+d:""))
	</v>
</var>
<var name="ot2">
	<v>(op1=="2"&&op2=="1")?a+" "+z1+" "+num(o1):(
								(op1=="2")?a+" "+z1+" "+b:(
								(op2=="2"&&op1=="1")?num(o1)+" "+z2+" "+c:(
								(op2=="2"&&op3=="1"&&num(op1)!=1)?b+" "+z2+" "+num(o1):(
								(op3=="2"&&op2=="1")?num(o1)+" "+z3+" "+d:(
								(op3=="2"&&op1=="1")?c+" "+z3+" "+d:"")))))
	</v>
</var>
<var name="ot3">
	<v>
						(op1=="3")?a+" "+z1+" "+num(o2):(
						((op2=="3"&&s1==1&&s3==1)||(op2=="3"&&op1=="1"&&op3=="2"))?num(o1)+" "+z2+" "+num(o2):(
						(op2=="3"&&op3=="1"&&op1=="2")?num(o2)+" "+z2+" "+num(o1):(
						(op2=="3"&&op1=="2")?num(o2)+" "+z2+" "+num(o1):(
						(op3=="3")?num(o2)+" "+z3+" "+d:""))))
	</v>
</var>