Предмет: Математика, автор: Аноним

1.Решите уравнение : у:2,1=1,7:5,1
Для изготовления 9 одинаковых приборов потребовалось 27 г платины.Сколько платины потребуется на изготовление 14 таких приборов
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Ответы

Автор ответа: Кастиэла
0
5,1y=1,7*2,1
5,1y=3,57
y=3,57:5,1
y=0,7
Автор ответа: miron2077
0
27:9=3 г на один прибор
3*14=52г на 14 приборов
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go/ they /early /home /always…They always go home early.
1. never /sweets /eats /she…
2. we /cinema/ usually/ Saturdays /go /the /to/ on…
3. sometimes /warm /winter /in/ is/ it…
4. football /often /with /friends/ his/ plays/ he…
5. always /January/ it /rains/ in…
6. dancing /usually/ Fridays/ on /go/ they…
7. often/ music /listens/ to/ he /evenings/ the/ in…