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Izabellaalbert
a fost răspuns

gasiti valorile x,y,z, stiind ca x+y+z=20.005,y=x+(4004:77-50)si z=y-(2003-998):67. help :*

Răspuns :

Renatemambouko
x+y+z=20005
y=x+(4004:77-50)=x+52-50=x+2
z=y-(2003-998):67=y-1005:67=y-15 =x+2-15=x-13
x+x+2+x-13=20005
3x=20005+11=20016
x=6672
y=6672+2=6674
z=6674-15=6659

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