1. Explain the topic like a ten year old can understand, please.

2. Explain the topic like a ten year old could understand, please.

3. Explain the topic like a ten year old would be able to understand, please.

Do these sentences convey the same meaning? Also, can I replace "like" by "as" or "in a way that"?

1. Explain the topic in a way that a ten year old can understand, please.

2. Explain the topic in a way that a ten year old could understand, please.

3. Explain the topic in a way that a ten year old would be able to understand, please.

Do these sentences convey the same meaning?