Odpowiedzi

2010-01-31T18:18:10+01:00
1.81-(2*0,05)/(240/2)=1.81-0,1/120=1,71/120=0,01425
2010-01-31T19:08:48+01:00
1,81cm- (2×0.05cm)=1,81cm-0,1cm=1,71cm
1,71cm:240=0,007125cm=0,07125mm