3a+8b=30 b=1/4a a={ } b={ }

来源：学生作业帮助网 编辑：作业帮 时间：2024/11/20 03:37:04
3a+8b=30 b=1/4a a={ } b={ }
x)3NԶH56PH57ITHVrMR>^y;LPH7 %8f`YPF 1j Hjj%ښP4(e '?

3a+8b=30 b=1/4a a={ } b={ }
3a+8b=30 b=1/4a a={ } b={ }

3a+8b=30 b=1/4a a={ } b={ }
3a+8x a/4=30
3a+2a=30
a=6
b=1/4 x6=1.5

3a+8b=3a+8*1/4*a=5a=30
a=6
b=1/4*a=6/4=1.5