英语翻译a fence is 1.5m high and is 1m from a wall.a ladder must
英语翻译
a fence is 1.5m high and is 1m from a wall.a ladder must start from the ground,touch the top of the fence,and rest somewhere on the wall.Find the minimum length of such a ladder.
请问ladder到底是怎么放的OTL.
a fence is 1.5m high and is 1m from a wall.a ladder must start from the ground,touch the top of the fence,and rest somewhere on the wall.Find the minimum length of such a ladder.
请问ladder到底是怎么放的OTL.
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1年前1个回答
你能帮帮他们吗