Предмет: Математика, автор: asanovaivi2005

а)Школьники собрали с 1 участка 504 килограмма моркови с другого в три раза меньше одна третья все собранные моркови израсходовали Сколько килограммов моркови израсходовали
б) На сахарный завод привезли в первый день 633 тонн 600 килограмм свеклы во второй день в 2 раза меньше Сколько сахара получилось из свеклы если масса сахара составляла 1 шестую свёклы

Ответы

Автор ответа: математик2011
0
1) 504:3=168(кг) собрали со второго участка
2) 504+168 = 672 (кг) собрали с двух участков
3) 672 :3 = 224 (кг) израсходовали


1) 633, 6:2 = 316,8 (т)собрали во вторй день
2) 633,6+316,8 = 950,4 (т) собрали за 2 дня
3) 950,4:6 = 158,4 (т)сахара
Ответ: 158 т 400 кг
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Children and watching TV
Watching television is a major activity that influence on children and adolescents. Children in the United states average watch and three to four hours a day. By the time of high school graduation, they will have spent more time watching television than they have in the classroom. Children who watch a lot of television are likely to: have lower grades in school, read fewer books, exercise less, be overweight.
Time spent watching television takes away from important activities such as reading, school work, playing, exercise, family interaction, and social development. Children also learn information from television that may be inappropriate or incorrect. They often cannot tell the difference between the fantasies presented on television and reality. They are influenced by the thousands of commercials seen each year, many of which are for alcohol, junk foods, and toys.
Parents can help by doing the following: don’t allow children to watch long blocks of TV, but help them select individual programs. Choose shows that meet the developmental needs of your child. Children’s shows on public TV are appropriate. Set certain periods when the television will be off. Study times are for learning, not for sitting in front of the TV. Make TV viewing an active process for child and parents