Используйте свойства сложения при вычислении сумм:
(146+322)+178=
784+(179+116)=
625+481+75+219=
427+88+273+112=

Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


Copyright © 2024 SCHOLAR.TIPS - All rights reserved.