38 pah.iaurt.....14 pah. smantana....132 lei |:2
36 pah.iaurt.....7 pah. smantana.....100 lei
36 pah iaurt.....7 pah smantana.......100 lei
19 pah. iaurt......7 pah. smantana.....66 lei
_______________________________ ( - )
17 pahare iaurt.....//.............................34 lei
Aflam cat costa 1 pahar iaurt
34 :17 = 2 lei
Aflam cat costa 38 pahare iaurt
38×2 = 76 lei
Aflam cat costa 1 pahar smantana
(132 -76): 14 = 56:14 = 4 lei