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996*(15/10)+3x3
=996*1.5+3*3
=1494+3*3
=1494+9
=1503
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¨Ò¦p§Úªº:
§Úªº«Â±æ¬O10
¦nµû«×1
(¦Ó§Úªºµo©«¼Æ¬O21)
¤å³¹¬O18
18x(10/10)+1*3
=18*1+1*3
=18+1*3
=18+3
=21
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