Пошаговое объяснение:
1)4/5*3 3/5=4/5 * 18/5 =72/25=2,8
3)1 1/6* 2 4/7 = 7/6*18/7 =3
4)1 1/5 / 1 1/2 = 6/5 / 3/2 = 6/5 * 2/3 =12/18 = 6/9 = 2/3
6) 5 / 5 1/3 = 5 / 16/5 = 5/1 * 5/16 =25/16 =1,5
Пошаговое объяснение:
1)4/5*3 3/5=4/5 * 18/5 =72/25=2,8
3)1 1/6* 2 4/7 = 7/6*18/7 =3
4)1 1/5 / 1 1/2 = 6/5 / 3/2 = 6/5 * 2/3 =12/18 = 6/9 = 2/3
6) 5 / 5 1/3 = 5 / 16/5 = 5/1 * 5/16 =25/16 =1,5