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(2)AµP»³½¹_ 7.5¸¹
(3)«r¹]²°
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(6)¤ô²`±´´ú´Î * 3
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(1)2/8°¾3/7½Õ ,ì¼t«á¶ë ,¸U¶HÂàÀY
(2)50¤J¸Ë ,²°¤ºÁÙ¦³42¤J
(3)2¸¹ ~ 8¸¹«r¹]
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¥«»ù:
(1)850(¬ñ¤l) + 80(¸UÂà) = 930
(2)250 * 42 / 50 = 210
(3)60
(4)60
(5)80
(6)15 * 3 = 45
930 + 210 + 60 + 60 + 80 +45 = 1385 (®¤¤£©î°â)
¥æ¬y»ù®æ:
1260 * 0.7 = 969.5
900§Y¨M (®¤¤£©î°â)
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