Răspunsuri

2014-05-13T17:52:59+03:00
A+b=240
a:b=4 r20
a=4b+20

4b+20+b=240
5b+20=240
5b=240-20
5b=220
b=44

a+44=240
a=240-44
a=196
2014-05-13T18:17:48+03:00
X+y=240     x:y=4 rest 20    x=4y+20     4y+20+y=240    5y+20=240    5y=240-20   5y=220:5     y=44              x+44=240      x=240-44      x=196