问题描述:
1、已知x/y=7/2,求x/x+y 2、已知x/2=y/3=z/4,求x+y+z/2x+3y-z!
1、已知x/y=7/2,求x/x+y
2、已知x/2=y/3=z/4,求x+y+z/2x+3y-z!
1、已知x/y=7/2,求x/x+y
2、已知x/2=y/3=z/4,求x+y+z/2x+3y-z!
问题解答:
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