如题所述
第1个回答 2016-04-05
解: 101X56-56
=101X56-1X56
=56X(101-1)
=56X100
=5600本回答被网友采纳
=101X56-1X56
=56X(101-1)
=56X100
=5600本回答被网友采纳
第2个回答 2023-03-05
101×56-56
=(101-1)×56
=100×56
=5600本回答被网友采纳
=(101-1)×56
=100×56
=5600本回答被网友采纳