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a fost răspuns

daca a=bx9 b=cx9 c=dx9 si d=100x30 care este suma numerelor a+b+c+d

Răspuns :

d=100x30
d=3000

c=dx9
c=3000x9
c=27000

b=cx9
b=27000x9
b=243000

a=bx9
a=243000x9
a=2187000

218700+243000+27000+3000=2460000
cam mult
a=bx9 b=cx9 c=dx9 d=100x30   d=100x30=3000          c=3000x9=27000    b=27000x9=243000        a=243000x9=2187000              suma=a+b+c+d=2187000+243000+27000+3000=2430000+27000+3000=2457000+3000=2460000