若x/2=y/3=z/4,則x+y+z/x=多少?
若x/2=y/3=z/4,則x+y+z/x=多少?
其他人氣：252 ℃時(shí)間：2020-10-01 20:28:19
優(yōu)質(zhì)解答
設(shè)X=2a,則y=3a,z=4a,所以(x+y+z)/x=9a/2a=4.5
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