您好,友友!102*104-103²简便计算,可以将104拆成(103+1),则前后可取共同因数103,这样容易算些,简算过程如下:
102*104-103²
=102*(103+1)-103*103
=102*103+102*1-103*103
=103*(102-103)+102*1
=103*(-1)+102
=-103+102
=-1
很高兴为您解答,望采纳!
102×104-103²
=(103-1)×104-103×103
=103×104-104-103×103
=103×(104-103)-104
=103×1-104
=103-104
=-1
102x (103+1)-103X103
=102x103+102-103x103
=103x(102-103)+102
=-1
102×104-103²
=(103-1)×(103+1)-103
=(103²-1)-103²
=-1
102×104-103²
=(103-1)×(103+1)-103²
=(103²-1)-103²
=-1