3å4åä¹ä¸ä¹5åä¹18å3.6å 6.25å 6.25ä¹3å5åä¹3
=3.75x3.6-3.6+6.25+6.25x3.6
=(3.75+6.25)x3.6+(6.25-3.6)
=10x3.6+2.65
=36+2.65
=38.65
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=3.75x3.6-3.6+6.25+6.25x3.6
=(3.75+6.25)x3.6+(6.25-3.6)
=10x3.6+2.65
=36+2.65
=38.65
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满æ请ç¹å»ä¸é¢çãé为满æåçãæé®ï¼O(â©_â©)O谢谢
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