Вопрос школьника по предмету Математика
масса одной алюминиевой детали 24 г одной стальной деталей в 3 раза больше На сколько больше масса 12 стальных деталей чем масса алюминиевых деталей?
Ответ учителя по предмету Математика
1) 24 * 3 = 72 (г) — стал. деталь
2) 72*12=864 (г) — 12 стал. деталей
3) 864 — 24 = 840 (г) — на столько масса 12 стал. деталей > массы 1 алюм. детали
Ответ: на 840 г
Похожие вопросы от пользователей
1. I( to know) that he ( to be) your friend.
2. He (to want) to something himself.
3. He (to say) that you (to know) him, and that he only (to ask) for a short conversation
4. Now he (can) tell you what you (must).
5. She (to believe) she (can) do it.
6. His family (to live) in Moscow five years ago.
7. Last summer they (to swim) in the river,(to play) volley-ball, (to go) for a walks.
8. We (to have) dinner at 6 o’clock yesterday.
9. Last winter (to be) rather cold.
10. She (to work) five days a week two years ago.
11. When he (to be) a child he(can) read and write.
12. She often (to phone) me in the evening.
13. She often (to read )to my students and she usually (to laugh) over funny stories together with them