Zad.2
a) 3/20 =15/100= 0,15
b) 17/25 =68/100= 0,68
c)1 3/8= 1 375/1000 = 1,375
d)2 3/125= 2 375/1000= 2,375
Zad.3
a) 15 2/9 + 3 3/5= 15 18/45 + 3 37/45= 18 55/45= 19 10/45
b)9 3/10- 5 2/5= 9,3- 5 4/10= 9,3- 5,4= 8,13- 5,4= 3,9
c)5- 1 5/13= 4 13/13- 1 5/13= 3 8/13
Zad.4- w załączniku
