Вопрос школьника по предмету Математика
Какова масса 1 дм3 сплава, если масса 6 дм3 этого сплава равна 4 кг?
Какова масса 1 дм3 сплава, если масса 6 дм3 этого сплава равна 4 кг?
Ответ учителя по предмету Математика
Ответ:
6 дм^3=4 кг
1 дм^3=? кг
решение: 6_4=3/2=1,5 кг
Пошаговое объяснение:
Похожие вопросы от пользователей
1 Christopher Columbus was born in 1451 in Italy. His father and both grandfathers were cloth bodies. He probably worked as a weaver before going to sea.
2
We don’t know much about Columbus. He had blue eyes and red hair. He lived in Spain for a long time. He married the daughter of a sea captain. For a time he earned his living partly by making Sea Travel, and partly by drawing maps and selling them
3 atacator century, most people thought the earth was flat. They did not believe that India lies beyond the Atlantic ocean. They knew only three continents: Europe, Asia and Africa. Christopher Columbus was sure that our planet is round. He decided to reach India sailing to the West. In 1492 the King and Queen of Spain gave him money for a trip to India. Nobody wanted to help him. Many years after he sailed with three small ships into the Atlantic ocean. They were Santa Maria, Nina and Pinta. After sailing 4000 miles (6400 kilometres) they reached some land. When they landed they saw strange trees and flowers, men and women with olive skin color. They gathered around sailors and looked at them with great surprise.
4 Columbus thought it must be India. He called these Islands the West Indies. People started talking about this land as «new world». But this was America. So, Christopher Columbus discovered America in 1492
5
Columbus made many voyages to the New world. The second great voyage of Christopher Columbus took place in 1493. He had seventeen ships with him. He reached Cuba and discovered some other Islands of the West Indies.