Odpowiedzi

2010-02-02T18:26:40+01:00
4/₄/₂₀₀= 4 * 200/₄ = 800 /4 = 200
2010-02-02T18:28:00+01:00
4/(1/110 + 1/100 + 1/90 + 1/60)=
4/(10/1100 + 11/1100 + 2/180 + 3/180)=
4/(21/1100 + 5/180)=
4/(21/1100 + 1/36)=
4/(189/9900 + 250/9900)=
4/(439/9900)