1. 2.9x +0.08x=45.6 2. 7x +9x + 0.32 +2.72 3. 2.4x-1.5x+47=1 - вопрос №565360412900845627903227232415471919 от мозг2017а 13.07.2020 15:32

Question

Математика: 1. 2.9x +0.08x=45.6 2. 7x +9x + 0.32 +2.72 3. 2.4x-1.5x+47=1 919 уровнения

мозг2017а · Answer

1. 2.9x +0.08x=45.62,98х=45,6х=456/298=1целая158/298=1ц79/1492. 7x +9x + 0.32 +2.72=3. 2.4x-1.5x+47=1 919 0,9х=1919-47=152х=168 8/1520=168ц1/196...