Предмет: Математика, автор: ivankovylin99

срочно помогите пж я буду благодарен ​

Приложения:

Ответы

Автор ответа: sangers1959
1

Ответ:

Пошаговое объяснение:

1)

42*100%/20%=42*5=210 (см).

30,8*100%/20%=30,8*5=154 (кг).

6*100%/20%=6*5=30 (л).

2)

9*100%/75%=9*100%/(25*3)%=3*4=12 (см).

67,5*100%/75%=22,5*3*100%/(3*25)%=22,5*4=90 (кг).

18*100%/75%=6*3*100%/(3*25)%=6*4=24 (л).

ivankovylin99: спсибо
ivankovylin99: спасибо
ivankovylin99: нц вот эти *это умножение
ivankovylin99: *?
ivankovylin99: и можно было по лёгкому сделать по-простому
sangers1959: Можно и более проще, но я не знаю в каком вы классе?
ivankovylin99: 6классе
ivankovylin99: ну это уже всё спасибо (=
ivankovylin99: ну не важно спасибо (=
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