Răspunsuri

  • Utilizator Brainly
2014-08-28T21:56:29+03:00
1000 xa+ 5 x100 +c x10 +9=3 x1000 +b x100 +7x10 +d

1000 xa= 3 x1000
a=3

5 x100=bx100
b=5

c x10=7 x10
c=7

d=9

2014-08-28T21:59:01+03:00