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Alupei26
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Daca x/y=2/3, y/z=4/5 si x+y+z=185, aflati c.m.m.d.c al nr x,y,z. va rog muult!!! dau coroana!!!

Răspuns :

Stefania1975
x/y=2/3 =) x=2y/3
y/z=4/5 =) z=5y/4

x+y+z=185
2y/3 + y + 5y/4=185
8y/12 + 12y/12 + 15y/12= 2220/12
8y + 12y+15y=2220
35y=2220
y=63, 42
x=42, 28
z=79,28

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