Question

(720+e)*501=365730 помогите решить уравнение

Answer 1

(720+e)•501=365730

720+e=365730:501

720+е=730

е=730-720

е=10

Answer 2

(720+е)*501=365730

360720+501е=365730

501е=365730-360720

501е=5010

е=10

 

проверка

(720+10)*501=365730

730*501=365730

365730=365730