Предмет: Математика, автор: Ульяна15904

Решите пожалуйста номер 34
Очень прошу дам 15 баллов!!!

Приложения:

Ответы

Автор ответа: Айс01
0
1) 2,48х+3,52х = 1,26
6х = 1,26
х = 1,26/6
х = 0,21
2) 4,63х+3,37х = 1,92
8х = 1,92
х = 1,92/8
х = 0,24


Автор ответа: Milena17
0
2,48х+3,52х=1,26
6х=1,26
х=1,26:6
х=0,21
Проверка:
2,48·0,21+3,52·0,21=1,26
         0,5208+0,7392=1,26
                            1,26=1,26

4,63х+3,37х=1,92
8х=1,92
х=1,92:8
х=0,24
Проверка:
4,63·0,24+3,37·0,24=1,92
         1,1112+0,8088=1,92
                            1,92=1,92
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