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1·He was introducing Hindu-Arabic numerals to his kids.

他正在向他的孩子们介绍印度阿拉伯数字。

2·Learn the Arabic numerals.

了解阿拉伯的数学。

3·Son: only recognize Arabic numerals 1-7.

儿子：“就认得阿拉数字1到7。”

4·In Arabic numerals, the year is written 1983.

用阿拉伯数字这一年写作1983。

5·Arabic numerals are widely used all over the world.

全世界广泛使用阿拉伯数字。

6·Arabic numerals mark the 3 and 6 o 'clock positions.

阿拉伯数字标记的第3和第6点钟位置。

7·Arabic numerals are used because of their great convenience.

阿拉伯数字之所以得到使用是因为它们很方便。

8·Of course, at this time displayed on the counter Arabic numerals are not buyers to see.

当然，此时计数器上显示的阿拉伯数字是不让采购商看到的。

9·The Arabic numerals indicate the intervals that should appear in a chord above the bass.

阿拉伯数字提示应该在低音上的和弦中出现的音程。

10·Both Arabic numerals and those of Chinese characters have their own merits and demerits.

阿拉伯数字和汉字数字各有优缺点。