RE: LeoThread 2025-04-30 22:13
You are viewing a single comment's thread:
Let the height of rock=x
height of tortoise=y
x-y=200
x+y=230
=> x= 215
=>y=15
0
0
0.000
0 comments
You are viewing a single comment's thread:
Let the height of rock=x
height of tortoise=y
x-y=200
x+y=230
=> x= 215
=>y=15