∵2z=3c=4y ∴c=2z/3,y=2z/4=z/2 z+c+c+y=z+2c+y=z+2*2z/3+z/2=17/6z=800z=4800/17,带入得c=9600/51,y=2400/17∴z=4800/17,c=9600/51,y=2400/17
z,c,y,各代表一个数zz+z=c+c+c=y+y+y+y,已知z+c+c+y=800,则z=[ ],c=[ ],y=
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