3x+8 1/6=12,2 (2)10,5-4x=2 1/3 (5)x: 0,7=2/35 (6)2,5x=1/11 - вопрос №5686171381612221054213507235625111 от lidaqwe123 15.04.2020 09:18

Question

Математика: 3x+8 1/6=12,2 (2)10,5-4x=2 1/3 (5)x: 0,7=2/35 (6)2,5x=1/11

lidaqwe123 · Answer

3х + 8 1/6 = 12,23х = 12 2/10 -  8 1/6 3х = 4  1/6  х = 25/6 : 3 = 25/18   х = 1  7/1810,5 - 4х = 2 1/34х = 10 5/10 - 2 1/34х = 8 1/6х = 49/6 : 4 = 49/24х = 2  1/24х : 0,7 = 2/35х = 2/35 * 7/10х = 14/350 х = 7/1752,5х = 1/11х = 1/11 : 2 1/2х = 1/11 : 5/2х = 2/55...