А) 2 1/3 + 1 1/3 = 3 2/3Б) 4 - 2 4/7 = 3 3/7В) 2,5 + 102/3 - 3 1/6 = 5,5
А) x + 1 3/4 = 5 1/3x = 5 1/3 - 1 3/4x = 5 1/3 - 7/4x = 16/3 - 7/4x = (64 - 21) / 12x = 43/12
Б) x - 4 5/8 = 3 1/2x = 3 1/2 + 4 5/8x = 7/2 + 37/8x = 28/8 + 37/8x = 65/8
А) 2 1/3 + 1 1/3 = 3 2/3
Б) 4 - 2 4/7 = 3 3/7
В) 2,5 + 102/3 - 3 1/6 = 5,5
А) x + 1 3/4 = 5 1/3
x = 5 1/3 - 1 3/4
x = 5 1/3 - 7/4
x = 16/3 - 7/4
x = (64 - 21) / 12
x = 43/12
Б) x - 4 5/8 = 3 1/2
x = 3 1/2 + 4 5/8
x = 7/2 + 37/8
x = 28/8 + 37/8
x = 65/8