Решите пример по действиям (2 5/14*4 2/3+12:2 1/4-15 1/4):(4 7/18-2 5/8) СРОЧНО!!

(2 5/14*4 2/3+12:2 1/4-15 1/4):(4 7/18-2 5/8)2 5/14*4 2/3=33/14*14/3=1112:2 1/4=12/9/4=12*4/9=16/311+16/3=(33+16)/3=49/349/3-15 1/4=49/3-61/4=(49*3-61*4)/12=(147-183)=-36/12=-34 7/18-2 5/8=79/18-21/8=(316-189)/72=127/72-3:127/72=-3*72/127=216/127=-1 89/127