👤

afla suma a+b+c+d, stiind ca:a=4236 bc de 4 ori

Răspuns :

a+b+c+d=?
d=c x4
c=a+b
b=ax4
a=4236
b=4a
c=a+b =.>c=a+4a =.> c=5a
d=cx4=> d= 5ax4 =>d=20 a
inlocuim in
a+b+c+d= a+4a+5a+20a=30 a=30x4236=127.080
a=4.236
b=4x4.236=16.944
c=16944+4236=21180
d=20a=20x4236=84.720
4.236+16944+21180+84720=127.080