Х+2/11=5 26 5/8+а=30 n-65/66=2/9 11 1/4-x=3 7/10 - вопрос №6389034211526583065662911143710 от VanyaKiba 18.04.2020 12:46

Question

Математика: Х+2/11=5 26 5/8+а=30 n-65/66=2/9 11 1/4-x=3 7/10

VanyaKiba · Answer

1) х + 2/11 = 5х = 5 - 2/11 х = (55-2)/11х=53/11х= 4 9/112) 26 5/8+а=30а=30- 26 5/8а= 29 8/8 - 26 5/8а= 3 3/83) n-65/66=2/9n= 65/66 = 2/9n= 44/198 + 195/198n= 239/198n= 1 41/1984) 11 1/4-x=3 7/10-х = 3 7/10 - 11 1/4-х = 3 14/20 - 10 25/20-х = -7 11/20х = 7 11/20...