3- lab topshiriqlari if, if else operatorlariga doir topshiriqlar 1 jadval

2	a=12 b=3 c=7 x=9	Z=7300.000
7	;	1	b=4 c=-2 d=8	X=0.750
		2	b=4 c=-3 d=7	X=0.250
8		1	x=2	Z=0.042
		2	x=3.7	Z=1.066
9	;	1	x=3	K=8.503
		2	x=-7	K=2.456
10	;	1	x=3	Y=1.980
		2	x=-7.2	Y=0.308
11	;	1	a=4 x=9	Y=0.008
		2	a=7 x=1	Y=0.140
12		1	k=7	Y=0.378
		2	k=1.4	Y=0.845
13	;	1	x=0.5	Y=-0.062
		2	x=0.7	Y=0.386