Oblicz układ równań metodą podstawiania:
ab = 240
a2 = b2 + 256
ab=240
a2=b2+256
a=240-b
2(240-b)=2b+256
480-2b=2b+256
-4b=-224
b=56
a=240-56
a=184
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ab=240
a2=b2+256
a=240-b
a2=b2+256
a=240-b
2(240-b)=2b+256
a=240-b
480-2b=2b+256
a=240-b
-4b=-224
a=240-b
b=56
a=240-56
b=56
a=184
b=56