Răspuns :
a+b=2,45
a=b/4
b/4+b=2,45(amplificam cu 4)
b+4b=2,45*4
5b=9,8
b=9,8/5
b=1,96
a=2,45-1,96
a=0,49
a=b/4
b/4+b=2,45(amplificam cu 4)
b+4b=2,45*4
5b=9,8
b=9,8/5
b=1,96
a=2,45-1,96
a=0,49
a+b=2.45 a=4b 4b+b=2.45 5b=2.45 b=2.45:5 b=0.49 a=1.96