Question

in trei lazi sunt 87 kg de rosii.fiecare lada contine cu 6 kg mai mult decat precedenta.cate kg contine fiecare lada?

Answer 1

6+6+6=18
87-18=69
a
69:3=23

b
23+6=29

c
29+6=35

probă:23+29+35=87

Answer 2

a+b+c=87 kg  rosii
a=a
b=a+6
c=b+6
c=a+6+6
a+a+6+a+6+6=87
3a+18=87
3a=69
a=23 kg  rosii
b=23+6=29 kg  rosii
c=29+6=35 kg  rosii