第1个回答 推荐于2017-10-28
25x16x99
=25x4x4x99
=100x4x99
=400x(100-1)
=400x100-1x400
=40000-400
=39600
谢谢,请采纳本回答被网友采纳
第2个回答 2023-03-11
25*16*99
=25*4*4*99
=100*4*99
=400*99
=400*(100-1)
=400*100-400*1
=40000-400
=39600
第3个回答 2016-06-14
25x16x99
=25x4x4x(100-1)
=400x(100-1)
=40000-400
=39600本回答被网友采纳
第4个回答 2016-06-14
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/adaf2edda3cc7cd9346ab9e43101213fb80e914c?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
39600
追答5×4×5×4=400,400×100-400=39600