: _ ( - - ) = ( 2 _ (-)2 2 _ (-)2
<<< ... ... ...>>>
( / ) (x) : 5000 10 6046 : (2/1)=( ) 5000/6046)=10*4343, 1,2092=4,343 082498,=4.343 =(082498,)/4,343 =019,
19 0.019 10 10 10 10
!!!!!!!!!!!!!!!! 019. 19 () **
() ... (2/1)/ ...
10 19 19 = 0.019 10 10 10 0.19
019 ,/10 0019 , 19,