解方程组x/4=y/5=z/6 2x+3y-4y+3=0
x/4=y/5=z/6 2x+3y-4y+3=0
人气:275 ℃ 时间:2020-01-28 17:11:50
解答
设x/4=y/5=z/6 =m
x=4m,y=5m,z=6m
2x+3y-4z+3=0
8m+15m-24m+3=0
m=3
x=4m=12
y=5m=15
z=6m=18
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