问题
填空题
若
|
答案
设
=x 3
=y 4
=k，即x=3k，y=4k，z=5k，z 5
故
=x+y+z z
=3k+4k+5k 5k
．12 5
故答案为
．12 5
搜题请搜索小程序“爱下问搜题”
若
|
设
=x 3
=y 4
=k，即x=3k，y=4k，z=5k，z 5
故
=x+y+z z
=3k+4k+5k 5k
．12 5
故答案为
．12 5