a) 6 i 2/7 + 1 i 3/7 =
b) 9 i 2/3 +1 i 6/3 =
c ) 11 i 3/4 - 7 i 1/4 =
d) 1 - 8/9 =
e) 1- 7/10 =
Plisss na teraz