Найдите отношение а к b, если 1) а/39=b/8 2) 7/a=6/b
A / 39 = B / 8 8A = 39B A = ( 39/8) B A : B = 39/8 = 4,875 ------------------------- 7 / A = 6 / B 6A = 7B A = (7/6 ) B A : B = 7/6 = 1 ( 1/6 )