Răspuns :
3,2+7/4+9/20=(pe 7/4 amplificam cu 5 =35/20 ; 3,2 intregi = 64/20) = 64/20+35/20+9/20=108/20=5 intregi 8/20=5,4
= (32/10) + (7/4) + (9/20) =
(64/20) + 35/20 + (9/20 =
( 64+35+9)/20 =
108/20 =
5,4
(64/20) + 35/20 + (9/20 =
( 64+35+9)/20 =
108/20 =
5,4