Răspunsuri

2014-06-03T10:45:53+03:00
Fie a si b nr
a+b=70
a:b=4 rest 10
a=4b+10
4b+10+b=70
5b=70-10
5b=60
b=60:5
b=12
a+b=70 
a+12=70
a=70-12 
a=58
2014-06-03T10:48:18+03:00
A+b=70
a:b=4,10 => a=4b+10
=>4b+10+b=70 =>5b=70-10
5b=60
b=60:5
b=12 => a=4*12+10
a=48+10
a=58
1 5 1