x加y加z=40.x加y加z加z=50.x加y加y加z=60、x和y和z各是多少?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/06 01:28:34
x加y加z=40.x加y加z加z=50.x加y加y加z=60、x和y和z各是多少?

x加y加z=40.x加y加z加z=50.x加y加y加z=60、x和y和z各是多少?
x加y加z=40.x加y加z加z=50.x加y加y加z=60、x和y和z各是多少?

x加y加z=40.x加y加z加z=50.x加y加y加z=60、x和y和z各是多少?
x+y+2z-(x+y+z)=50-40
z=10
(x+2y+z)-(x+y+z)=60-40
y=20
x=40-20-10=10