Предмет: Математика, автор: жемчужинка16

Выполни необходимые вычелсения и заполни таблицу. Площадь поверхности суши Земли примерно равна 149 млн кв. км. Территория Южной Америки на 132 млн кв. км
меньше площади общей поверхности суши Земли. Площадь Юной Америки и Северной Америки равна 42 млн кв. км. Площадь самого большого материка Земли Евразии - на 24 млн кв. км больше площади Африки, а их общая площадь приблизительно равна 84 млн кв. км. (Заполнить таблицу не надо) С ДЕЙСТВИЯМИ ПОЖАЛУЙСТА

Ответы

Автор ответа: mashahaibollin
0
суша земли =149
южная америка =149-132=17
северная америка=42-17=25
пусть африка х, тогда евразия х+24 составим ур-ние
х+24+х=84
2х=84-24
2х=20
х=10
африка 10
евразия 10+24=34
везде приписывается наименование млн кв.км
Автор ответа: жемчужинка16
0
Спасибо тебе большое
А можно к африке другое обычное решение
просто это 4 класс
Автор ответа: mashahaibollin
0
(84-24)/2
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