Question

oblicz:
zad.1
a)11/12 - 5/12=
b)1 i 6/7 - 5/7=
c)3 i 7/9 - 1 5/9=
d)2 i 4/5 - 1 i 4/5=
zad.2
a)1 - 3/14 = 14/14 -...
1 - 7/9=...
b)3 - 1/4= 2 i 4/4...
5 - 5/7=...
c)3 i 4/9 - 7/9=2 i niewiadoma/9 - 7/9=...
2 i 7/12 - 1 i 11/12=...

Daje naj

Answer 1

Odpowiedź:

a) 11 / 12 - 5/12 = 6 /12 = 1/2

b) 1 6/7 - 5/7 = 1 1/7

c) 3 7/9 - 1 5/9= 2 2/9

d) 2 4/5 - 1 4/5 = 1

zad.2

a) 1 - 3/14 = 14/14 - 3/14 = 11/14

b) 1 - 7/9= 9/9 - 7/9= 2/9

c) 3 4/9 - 7/9 = 2 13/9 - 7/9 = 2 6/9 = 2 2/3

d) 2 7/12 - 1 11/12 = 1 19/12 - 1 11/12 = 1 8/12 = 1 2/3