Решите пример плиз!!!!!!!!!!!!1
(12.3:15.1:18.4:12.2)*4

(12,3:15,1:18,4:12,2)*4=0,01441)12,3:15,1=0,8152)0,815:18,4=0,04433)0,0443:12,2=0,00364)0,0036*4=0,0144