Oblicz:
a)2i1/3-2/9=
b)2i3/5-7/10=
c)2i1/5-2/5
d)3/5-1/2=
2+2/3 - 2/9
Rozszerzamy do 9
2+6/9 - 2/9
2 6/9 - 2/9 = 2 4/9
2+3/5 - 7/10
Rozszerzamy do 10
2+6/10 - 7/10
2 6/10 - 7/10= 1 9/10
2+1/5-2/5
2 1/5 - 2/5 = 1 4/5
3/5-1/2
6/10- 5/10=1/10
Pozdro ;)
2 1/3- 2/9= 2 3/9- 2/9= 2 1/9
2 3/5- 7/10=2 6/10- 7/10=1 16/10-7/10=1 9/10
2 1/5-2/5= 1 6/5- 2/5=1 1/5
3/5-1/2=6/10-5/10=1/10
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2+2/3 - 2/9
Rozszerzamy do 9
2+6/9 - 2/9
2 6/9 - 2/9 = 2 4/9
2+3/5 - 7/10
Rozszerzamy do 10
2+6/10 - 7/10
2 6/10 - 7/10= 1 9/10
2+1/5-2/5
2 1/5 - 2/5 = 1 4/5
3/5-1/2
Rozszerzamy do 10
6/10- 5/10=1/10
Pozdro ;)
2 1/3- 2/9= 2 3/9- 2/9= 2 1/9
2 3/5- 7/10=2 6/10- 7/10=1 16/10-7/10=1 9/10
2 1/5-2/5= 1 6/5- 2/5=1 1/5
3/5-1/2=6/10-5/10=1/10