сумма цифр в ответе равна 9.Проверь это.                                                                                                                                      Проверь эти свойства для других произведений.2*9.  3*9   4*9  5*9     6*9   8*9    9*9  
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


Copyright © 2025 SCHOLAR.TIPS - All rights reserved.