若x/3=y/4=z/5,则x+2y+3z/2x的值为

xl332022-10-04 11:39:542条回答

若x/3=y/4=z/5,则x+2y+3z/2x的值为

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阳阳西共回答了15个问题 | 采纳率86.7%: 设x/3=y/4=z/5 =t
x=3t
y=4t
z=5t
所以
x+2y+3z/2x
=3t+2*(4t)+3*(5t) / 2*3t
=26t/6t
=13/3; 1年前

旗木灵儿共回答了741个问题 | 采纳率: x/3=y/4=z/5=k
x=3k, y=4k, z=5k
(x+2y+3z)/x
=(3k+8k+15k)/3k
=26/3; 1年前

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