Math signe plus petit plus grand
Source google image: http://img.over-blog-kiwi.com/0/80/18/07/20150926/ob_8fced5_plus-petit.JPG
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Math signe plus petit plus grand
Source google image: http://img.over-blog-kiwi.com/0/80/18/07/20150926/ob_8fced5_plus-petit.JPG