Răspunsuri

2014-07-25T17:28:53+03:00
Notam primul nr cu x
notam al doilea nr cu 7x+2

x+7x+2=51,66
8x+2=51,66
8x=51,66-2
8x=49,66
x=49,66:8
x=6,2(primul nr)
6,2x7+2=45,4(al doilea nr)
Cel mai inteligent răspuns!
2014-07-25T17:30:35+03:00
A+b=51,66

a:b=7,2

a= b*7,2

a=7,2b

7,2b+b= 51,66
8,2b=51,66

b=6,3

a=7,2*6,3=45,36
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