如题所述
第1个回答 2016-06-27
77x26+77x75-77
=77x26+77x75-77x1
=（26+77-1）x77
=100x77
=7700
=77x26+77x75-77x1
=（26+77-1）x77
=100x77
=7700
第2个回答 2016-06-27
77*(26+75-1)=7700。
第3个回答 2016-06-27
77X26十77X75一77
=77×(26+75-1)
=77×100
=7700
=77×(26+75-1)
=77×100
=7700
第4个回答 2016-06-27
77×26+77×75-77
=77×26+77×(75-1)
=77×26+77×74
=77×(26+74)
=77×100
=7700本回答被网友采纳
=77×26+77×(75-1)
=77×26+77×74
=77×(26+74)
=77×100
=7700本回答被网友采纳
第5个回答 2016-06-27
77×（26+75-1）=77×100=7700
