Question

ПОМОГИТЕ УМОЛЯЮ ПОЖАЛУЙСТА 2 упражнения БОЖЕ

Answer 1

a)0,5+1/3=1/2+1/3=1*3/6 + 1*2/6=3/6+2/6=5/6
б)5/6+0,75=5/6+3/4=5*2/12 + 3*3/12 = 10/12 + 9/12 = 19/12 = 1 целая 7/12;
в)11/15-0,4 = 11/15 - 2/5 = 11/15 - 2*3/15 = 11/15 - 6/15 = 5/15= 1/3
г) 0,95 - 5/12 = 19/20 - 5/12 = 19*3/60 - 5*5/60 = 57/60 - 25/60 = 32/60 = 8/15.