Ответ:
Пошаговое объяснение:
С) (2/3*4/7*6/11)/(2/3*5/7*9/11)= 16/77 : 30/77= 16/77 * 77/30= 16/30= 8/15
Д) (1 + (1/2+1/4)/3))/(1-(1/2+1/4)/3)) =(1+1/4)/(1- 1/4)= (5/4)/ (3/4)= 5/4*4/3=
= 5/3 = 1 2/3
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Ответ:
Пошаговое объяснение:
С) (2/3*4/7*6/11)/(2/3*5/7*9/11)= 16/77 : 30/77= 16/77 * 77/30= 16/30= 8/15
Д) (1 + (1/2+1/4)/3))/(1-(1/2+1/4)/3)) =(1+1/4)/(1- 1/4)= (5/4)/ (3/4)= 5/4*4/3=
= 5/3 = 1 2/3