Question

(4 1/9 - а) + 8 5/9=9 2/9Уравнение:5 3/7 - (b-2 1/7)=2 4/7

Answer 1

(4 1/9 - а) + 8 5/9=9 2/9

37/9 - a + 77/9 - 83/9 = 0

-a = -31/9    :(-1)

a = 31/9 = 3 4/9

 

5 3/7 - (b-2 1/7)=2 4/7

38/7 - b + 15/7 - 18/7 = 0

-b = -35/7     :(-1)

b = 35/7 = 5