如题所述
第1个回答 2021-03-31
(100-1)*26=2600-26=2574
第2个回答 2021-04-01
99*26
=(100-1)*26
=100*26-1*26
=2600-26
=2574
=(100-1)*26
=100*26-1*26
=2600-26
=2574
第3个回答 2021-03-31
99×26
=(100-1)×26
=100×26-1×26
=2600-26
=2574
=(100-1)×26
=100×26-1×26
=2600-26
=2574
第4个回答 2022-06-17
=(100-1)×26
=2600-26
=2574
=2600-26
=2574