x:y=3:2①y:z=5:4②x+y+z=66③

来源：学生作业帮助网 编辑：作业帮 时间：2024/09/02 23:33:42
x:y=3:2①y:z=5:4②x+y+z=66③
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x:y=3:2①y:z=5:4②x+y+z=66③
x:y=3:2①
y:z=5:4②
x+y+z=66③

x:y=3:2①y:z=5:4②x+y+z=66③
x:y=3:2=15:10
y:z=5:4=10:8
所以x:y:z=15:10:8
x/15=y/10=z/8
令k=x/15=y/10=z/8
则x=15k,y=10k,z=8k
代入x+y+z=66
15k+10k+8k=66
33k=66
k=2
x=15k=30
y=10k=20
z=8k=16

x=37分之792，在带入求y，z

上解完全正确 果然是兵马大都督 文武全才 O(∩_∩)O~

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