Question

найди значение выражений дроби (3/16+а)-3/8, а=5/12

Answer 1

(3/16 + a) - 3/8 = a + 3/16 - 6/16 = a - 3/16;

При а = 5/12:      a - 3/16 = 5/12 - 3/16 = 20/48 - 9/48 = 11/48;

Ответ: 11/48
  

Answer 2

(3/16+5/12)-3/8=(9/48+20/48)-3/8=29/48-3/8=29/48-18/48=11/48