Предмет: Математика, автор: galinahiznakova9

Помогите пожалуйста срочно ​

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Ответы

Автор ответа: arzambaevamedina
1

в рюкзак что весил 10кг положили спальный мешок весом 3кг

сколько весит рюкзак вместе со спальным мешком?

рюкзак-10кг

спальный мешок-3кг

____________________

найти: вес рюкзака вместе с мешком

решение:

1)10+3=13(кг)-вес рюкзака с спальным мешком

ответ: всего-13кг

задача 2

Из рюкзака который весил 10 кг достали плед,который весил 3кг

найти вес рюкзака без пледа

дано

рюкзак-10кг

плед-3кг

_____________

найти?-вес рюкзака без пледа внутри

решение

1)10-3=7(кг)вес рюкзака без пледа

ответ:рюкзак без пледа весит 7кг

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