Предмет: Математика, автор: liza060105

гусь тяжелее утки на 2 кг,но легче щенка на 3 кг. на сколько килограммов утка легче щенка?

Ответы

Автор ответа: nikkin

Пусть:

Гусь- Х кг

Утка- Х-2 кг

Щенок- Х+3 кг

Откуда

(Х+3)-(Х-2)=Х+3-Х+2=5

Ответ: на 5 кг.

Автор ответа: Danusha22112001

2+3=5 потому что сказано что легче гуся и легче собаки значит надо все известные числа сложить!!!!!!!!!!!!!!!!!!!!!

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