来自林金明的问题
已知方程组{a-2b+3c=0,2a+3b-8c=0,且abc≠0,则a:b:c的值为______.
已知方程组{a-2b+3c=0,2a+3b-8c=0,且abc≠0,则a:b:c的值为______.
1回答
2020-04-22 22:41
已知方程组{a-2b+3c=0,2a+3b-8c=0,且abc≠0,则a:b:c的值为______.
已知方程组{a-2b+3c=0,2a+3b-8c=0,且abc≠0,则a:b:c的值为______.
求出a=c=7b/15,
可得a:b:c=7:15:7