解方程组(2组) x:y:z=2:1:3...① 2x+y+3z=14...② x+2y+3z=15...① x+4z/3=y-3z/4=3...②
问题描述:
解方程组(2组) x:y:z=2:1:3...① 2x+y+3z=14...② x+2y+3z=15...① x+4z/3=y-3z/4=3...②
答
解方程组(2组) x:y:z=2:1:3...① 2x+y+3z=14...② x+2y+3z=15...① x+4z/3=y-3z/4=3...②