如题所述
(3/8-0.125)x0.5
=(0.375-0.125)x0.5
=0.25x0.5
=0.125
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=(0.375-0.125)x0.5
=0.25x0.5
=0.125
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满æ请ç¹å»ä¸é¢çãé为满æåçãæé®ï¼O(â©_â©)O谢谢
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第1个回答 2016-05-17
