Ответ:
Пошаговое объяснение:
(12 3/8 : 2 1/16 - 5 5/12)* 7/8 = 49/96
1) 12 3/8 : 2 1/16= 99/8 : 33/16= 99/8 * 16/33= 6
2) 6 - 5 5/12= 7/12
3) 7/12 * 7/8= 49/96
(6 3/4 : 4 1/2 + 2 5/7) : 8 3/7= 1/2
1) 6 3/4 : 4 1/2= 27/4 : 9/2= 27/4 * 2/9= 3/2 = 1 1/2
2) 1 1/2 + 2 5/7 = 3/2 + 19/7 = 21/14 + 38/14 = 59/14
3) 59/14 :8 3/7= 59/14 : 59/7 = 59/14 * 7/59= 1/2
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Ответ:
Пошаговое объяснение:
(12 3/8 : 2 1/16 - 5 5/12)* 7/8 = 49/96
1) 12 3/8 : 2 1/16= 99/8 : 33/16= 99/8 * 16/33= 6
2) 6 - 5 5/12= 7/12
3) 7/12 * 7/8= 49/96
(6 3/4 : 4 1/2 + 2 5/7) : 8 3/7= 1/2
1) 6 3/4 : 4 1/2= 27/4 : 9/2= 27/4 * 2/9= 3/2 = 1 1/2
2) 1 1/2 + 2 5/7 = 3/2 + 19/7 = 21/14 + 38/14 = 59/14
3) 59/14 :8 3/7= 59/14 : 59/7 = 59/14 * 7/59= 1/2