Question

решите пожалуйста спасите меня от ремня номер 446 448 даю 1ҩҩ баллрв​

Answer 1

Ответ:

Пошаговое объяснение:
446.
а) 1. 2/7 * 1. 1/4 = 9/7 * 5/4 = 45/28 = 1. 17/28

б) 4. 2/3 * 2/5 = 14/3 * 2/5 = 28/15 = 1. 13/15

в) 1. 3/5 * 3. 3/4 = 8/5 * 15/4 = 2/1 * 3/1 = 6/1 = 6

г) 4/9 * 2. 3/4 = 4/9 * 11/4 = 11/9 = 1. 2/9

д) 2. 3/4 * 4/11 = 11/4 * 4/11 = 44/44 = 1

е) 1. 3/4 * 1. 5/7 = 7/4 * 12/7 = 12/4 = 3

ж) 3. 1/4 * 4 = 13/4 * 4 = 52/4 = 13

З) 10 * 5. 2/5 = 10 * 27/5 = 2 * 27/1 = 54/1 = 54

и) 3. 5/6 * 1. 7/23 = 23/6 * 30/23 = 30/6 = 5

к) 1. 2/3 * 2. 2/5 = 5/3 * 12/5 = 12/3 = 4

л) 7. 3/11 * 2. 19/40 = 80/11 * 99/40 = 2/1 * 9/1 = 18/1 = 18

м) 2. 1/2 * 2. 2/15 = 5/2 * 32/15 =
1/1 * 16/3 = 16/3 = 5. 1/3

н) 0 * 1. 4/9 = 0

о) 1. 5/7 * 1 = 1. 5/7

п) 3. 8/9 * 0 = 3. 8/9


448.
4/5 * 2. 1/2 * 1. 3/4 =
4/5 * 5/2 * 7/4 =
4/2 * 7/4 = 7/2 = 3. 1/2 (дм³) - объём

Ответ: 3. 1/2 дм³