ریاضیات برای پدرها و مادرها تفریق با تمرکز روی عددی که کم می شود View this post on Instagram A post shared by Amir Asghari (@amir.asghari.maths) on Jun 3, 2020 at 5:12pm PDT تفریق با تمرکز روی عددی که از آن کم می شود View this post on Instagram A post shared by Amir Asghari (@amir.asghari.maths) on Jun 6, 2020 at 7:00am PDT جمع View this post on Instagram A post shared by Amir Asghari (@amir.asghari.maths) on Jun 6, 2020 at 7:00am PDT شمارش View this post on Instagram A post shared by Amir Asghari (@amir.asghari.maths) on Jun 6, 2020 at 7:00am PDT