шите пожалуйста (-0,82-0,88):(-3,4)+1,6 помножить (-0,4) пожалуйста по діям))вдячна

как читается????

Figure skating. Figure skating - a winter sport in which skaters glide on the ice skating with performance art or sports elements to the music. The official figure skating competitions are usually played four sets of medals in the women's figure skating, men's singles, in pairs and in ice dancing. Figure skating is included in the program of the Olympic Winter Games, and of course will be at the Olympic Games in Sochi in 2014. Home to this beautiful sport yavlietsya Holland. It is in the Netherlands, in the 13-14 centuries. appeared first iron skates, which gave a powerful impetus to the development of all sports-related skates.

толщина стены 36 см, оконная рама в 8 раз тоньше стены, а оконное стекло в 20 раз тоньше рамы. какова в мм толщина оконного стекла?

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12,8*0,25:(3/4+(-0,25))=

помогите решить в столбик примеры 14570/47     и      26640/36