Răspunsuri

2014-09-02T18:55:20+03:00
A) 1961:x= 53
x=1961:53
x=37

b)5xy+7 =24*13

185y=312-7

y=305/185

y=1,64

c)7xz =236:59

259z=4

z=4/259

z=0,015
28 4 28