当x=5,y=3时,求代数式2x-3y/3x+2y的值

当x=5,y=3时,求代数式2x-3y/3x+2y的值
当x=5,y=3时,求代数式2x-3y/3x+2y的值

当x=5,y=3时,求代数式2x-3y/3x+2y的值
2x-3y/3x+2y
=2*5-3*3/（3*5）+2*3
=10-0.6+6
=15.4
(2x-3y)/(3x+2y)
=1/21

2*5-3*3/3*5+2*3
=10-3/5+6
=15.4

15.4