Răspunsuri

2014-05-22T22:21:57+03:00
A-b=17,2

a=4b

4b-b=17,2
3b=17,2
b=5,73

a=4*5,73=22,93
1 5 1
2014-05-22T23:19:10+03:00
X - y = 17,2
x = 4y
4y - y = 17,2
3y = 17,2 
y = 5.73
x = 4y = 4* 5,73 = 22,92