我昨天上午的十点钟没有在做数学练习的翻译：Yesterday at 10 o'clock in the morning not doing maths exercises 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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Yesterday at 10 o'clock in the morning not doing maths exercises

I yesterday in the morning ten o'clock have not been making mathematics practice

Yesterday, I am not in the 10 o'clock do the math practice

Yesterday at 10 o'clock in the morning not doing maths exercises