Răspunsuri

2014-05-26T16:34:03+03:00
A+b=195=>a=195-b

a-75=b+40
195-b-75=b+40
195-75-40=b+b
80=2b
b=80:2
b=40

a=195-40
a=155

2014-05-26T17:23:19+03:00
A+b=195=>a=195-b

a-75=b+40
195-75-40=b+b
80=2b
b=08:02
b=40

a=195-40
a=155