古詩詞大全網 - 成語經典 - 52乘52最簡便的規律是

52乘52最簡便的規律是

52x52

=(50+2)x(50+2)

=50x50+2x50x2+2x2

=2500+200+4

=2704

或者

=(50+2)x52

=50x52+2x52

=2600+104

=2704

供參考。