04.04.2011, 08:51
2:10 = 1:5
1:5 aus 1:4 --> 5:4 = 1,25 --> also 1ml Probe + 0,25ml Wasser
2:40 = 1:20
1:20 aus 1:4 ---> 20:4 = 5 --> 1ml Probe + 4ml Wasser
Lg
1:5 aus 1:4 --> 5:4 = 1,25 --> also 1ml Probe + 0,25ml Wasser
2:40 = 1:20
1:20 aus 1:4 ---> 20:4 = 5 --> 1ml Probe + 4ml Wasser
Lg

