Решите уравнения: (3 6/7+3/14)×x=2/7×3 1/2.
1) 3 6/7 + 3/14 = 3 12/14 + 3/14 = 3 15/14 = 4 1/14 = 57/14 2) 2/7 • 3 1/2 = 2/7 • 7/2 = 1 --------- ( 57/14 ) • x = 1 X = 1 : ( 57/14 ) X = 14/57