2,95
Объяснение:
|3,(6)+2,1/4|-|5,3-2,(3)|= I 3 6/9+2 1/4I - I5,3- 2 3/9 I= I33/9+9/4I - I5,3-21/9I=
=I(132+81)/36 I - I53/10-21/9I= I213/36 I-I(477-210)/90 I=
=I213/36I-I267/90I =(1065-534)/180I = 531/180=2,95
2,95
Объяснение:
|3,(6)+2,1/4|-|5,3-2,(3)|= I 3 6/9+2 1/4I - I5,3- 2 3/9 I= I33/9+9/4I - I5,3-21/9I=
=I(132+81)/36 I - I53/10-21/9I= I213/36 I-I(477-210)/90 I=
=I213/36I-I267/90I =(1065-534)/180I = 531/180=2,95