Răspuns :
a+b+c+d=534
a=b
c=b+35
d=c+140=.d=b+35+140=>d=b+175
b+b+b+35+b+175=534
4b=534-210
b=324:4
b=81
a=81
c=81+35=116
d=81+175=256
a=b
c=b+35
d=c+140=.d=b+35+140=>d=b+175
b+b+b+35+b+175=534
4b=534-210
b=324:4
b=81
a=81
c=81+35=116
d=81+175=256
a+b+c+d = 534
a=b
c=35+b
d=140+c => d = 140 + 35 + b
b+b+35+b+140+35+b = 534
4*b + 70+140 = 534
4*b + 210 = 534
4*b = 534 - 210
4*b =324
b = 324 : 4
b = 81
a = 81 ( deoarece a =b )
c = 81 + 35
c = 116
d = 116 + 140
d = 256
a=b
c=35+b
d=140+c => d = 140 + 35 + b
b+b+35+b+140+35+b = 534
4*b + 70+140 = 534
4*b + 210 = 534
4*b = 534 - 210
4*b =324
b = 324 : 4
b = 81
a = 81 ( deoarece a =b )
c = 81 + 35
c = 116
d = 116 + 140
d = 256