Незвична одиниця

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3.2. Множення на одиницю.

Мишко допомагав братові робити домашку. Завдання було на множення.

- Зрозумій нарешті Костику , що множення це те саме що додавання однакових доданків. Дивись 2*3=3+3 , значить що є два доданки цифри 3 . Або візьмем 5*2=2+2+2+2+2. Второпав ?

- Так , це я зрозумів , а як бути з множенням на одиницю?

- Так це простіше простого. Якщо будь яке число помножити на одиницю – буде те саме число

5*1=5, 2*1=2

Тому що в цьому випадку не буде доданків , а число залишається самим собою.