如题所述
201Ã51ç®ä¾¿è®¡ç®
=200Ã51+51
=10200+51
=10251
=200Ã51+51
=10200+51
=10251
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第1个回答 2017-05-05
201x51
=200x51 +51
=10200+51
=10251
=200x51 +51
=10200+51
=10251
第2个回答 2017-05-05
=(200+1)X51
=200X51+1X51
=10200+51
=10251
=200X51+1X51
=10200+51
=10251