Question

(3 1/2 - 2 1/6 +0,(3) - 4 7/12) (1/4 +2 2/3 : 0,(3) - 21/4=

prosze o rozwiazanie

Answer 1

(3  1/2  - 2  1/6  +0,(3) - 4  7/12) (1/4  +2  2/3 : 0,(3) -  21/4=
(7/12 - 13/6 + 1/3 - 55/12 ) (1/4 + 8/3 : 1/3 - 21/4) =
(7/12 - 26/12 + 4/12 - 55/12) ( 1/4 + 8/3 * 3/1 - 24/4) = -70/12* (1/4 + 8 - 24/4) =
-70/12 * (1/4 + 32/4 - 24/4) = -70/12 * 9/4 = -105/6 = -17 3/6 = -17 1/2