длина первого звена ломаной 1дм,длина второго-на 3см меньше.Начерти эту ломаную.

Ask your parether:

who her best friendis;

what she looks like;

what she likes in her friend

what they are both interested in;

if they quarrei sometimes;

what they do together;

how much time they spend together;

when they met last. 

2 3/4 : (1 1/2-0.4)+(0.75+3 1/9 : 2 1/3 : 6 3/4 * 9/16)=

распишите пожайлуста подробно решение! Заранее благодарны!