Question

номер 578 помогите пожалуйста

Answer 1

1)8целых 9/20*2/13=169/20*2/13=13/10=1,3
2)5целых 1/3*3/8=16/3*3/8=2
3)10 целых 1/2*2/7=21/2*2/7=3
4)5/6*1целая6/5=5/6*11/5=11/6=1 целая5/11
5)3 целых 1/9*3/8=28/9*3/8=7/6=1целая 1/6
6)9целых1/7*3/4=64/7*3/4=48/7=6целых 6/7

Answer 2

Ответ:

1) 1 3/10

2) 2

3) 3

4) 1 5/6

5) 1 1/6

6) 6 6/7

Пошаговое объяснение:

1) 8 9/20 *2/13 = 169/20 * 2/13 = 13/10*1/1= 13/10= 1 3/10

2) 5 1/3 * 3/8 = 16/3 * 3/8 = 2/1 * 1/1 = 2/1 = 2

3) 10 1/2 * 2/7 = 21/2 * 2/7 = 3/1 * 1/1 = 3/1 = 3

4) 5/6 * 1 6/5 = 5/6 * 11/5 = 1/6 * 11/1 = 11/6 = 1 5/6

5) 3 1/9 * 3/8 = 28/9 * 3/8 = 7/3 * 1/2 = 7/6 = 1 1/6

6) 9 1/7 * 3/4 = 64/7 * 3/4 = 16/7 * 3/1 = 48/7 = 6 6/7