Вопрос школьника по предмету Математика
З одного дерева в одному напрямку одночасно вилетіли два шпаки. Через 5 с перший шпак випередив другого на 10м. З якою швидкістю летів другий шпак, якщо перший летів зі швидкістю 22 м/с
Ответ учителя по предмету Математика
1)22×5=110 (м) за 5 с пролетів перший шпак
2)110-10=100(м) пролетів другий шпак за 5 с
3)100÷5=20 (м/с) швидкість другого шпака
Похожие вопросы от пользователей
4×(2-3х)+7(6х+1)-9×(9х+4)=30
1) Заполни пропуски в тексте следуя образцу.
This morning Nelly and Yolanda were very happy. They smiled and laughed. They danced and played. They helped their mum and dad. They Didn`t shout and they didn`t cry.
Nelly and Yolanda weren`t very happy yesterday. They…………………. and they …………….. . They ………………………… and they ………………………….. . They………………….their mum and dad. Thay…………………………….and they ………………………….. all day.
2) Прочитай текст А и подчеркни глаголы. Прочитай текст В и впиши в пропуски эти глаголы, поставив в них past simple.
A. I alway start my day at seven o`clock in the morning. I always dress in blue. I cook eggs for breakfast and Iwalk to work at eight o`clock. I always start work at nine o`clock and I work for eight hours. Then I walk home again and Icook eggs for dinner. Iwash the dishes and then I always watch TV in bed. I usually close my eyes at eleven o`clock.
B. Yesterday was very different! I started my day at eight o`clock in the morning.
I………………..in yellow. I……………sausages for breakfast and I…………………..to work at nine o`clock. I……………………….work at ten o`clock and I……………………..for six hours. Then I ……………..home again and I……………………………….fish for dinner. There weren`t any eggs in the fridge! I……………..the dishes and I ……………………….TV in the living room. I………………..my eyes at twelve o`clock.