Ajutatima e foaete urgent!!!!!

Răspuns:
e=999
d=999÷3
d=333
c=333×2
c=666
b=666÷9
b=74
a=74×3
a= 222
e=114×3
e=342
d=342÷2
d=171
c=171×6
c=1026
b=1026÷3
b=342
a=342×2
a=684