Xiao Qing is my friend. He is thirteen years old. He is in a big school. There is a playground in the middle of his school. The red classroom building is on its left and on its right is the library. Behind the playground is the dining hall. Xiao Qing and his classmates have lunch there from Monday to Friday. Every day they can eat meat. Today is Friday. They eat beef .There is soup, on Wednesday. It's Xiao Qing's favourite. Basketball is his favourite sport. He plays it on Tuesday and Thursday afternoon. But his classmates play football and jianzi. Today is Xiao Qing's birthday. He wants a football. So he can play it with his classmates.

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目前通行于世界的“阿拉伯数字”的创制者是（   ）

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