Помогите с математикой
1) 15 + 3*11 = 15 + 33 = 48; 2) 9,5/19 + 1/2 = 1/2 + 1/2 = 1; 3) -0,03 * 100 + 4 = - 3 + 4= 1; 4) 4/16 - 1/8 = 2\8 - 1/8 = 1/8;