Răspunsuri

2014-01-24T03:12:21+02:00
AM/AB = 1/4 => AB=4AM ; MB=AB-AM=4AM-AM=3AM
a) AM/AM = 4AM/AM =4
b)MB/AB = (AB-AM)/AM = (4AM-AM)/AM = 3AM/AM = 3
c)AM/MB = 1/3
d)MB/(AM+AB)/AM= 3AM/(AM+4AM)/AM=3AM/5AM/AM=3/5