zamien ulamki okresowe na ulamki zwykle.
a)0,(5)
b)0,(84)
c)1,2(34)
d)4,(321)
e)-10,(6)
f)2,3(15)
a) 5/9
b) 84/99
c) x=1,2(34)
10x=12,(34)
1000x=1234,(34)
1000x-10x=1234,(34)-12,(34)
990x=1222|:990
x=1222/990
x=611/495
x=1 116/495
d) 4 321/999
e) -10 6/9
f) x=2,3(15)
10x=23,(15)
1000x=2315,(15)
1000x-10x=2315,(15)-23,(15)
990x=2292|:990
x=2292/990
x=382/165
x=2 52/165
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a) 5/9
b) 84/99
c) x=1,2(34)
10x=12,(34)
1000x=1234,(34)
1000x-10x=1234,(34)-12,(34)
990x=1222|:990
x=1222/990
x=611/495
x=1 116/495
d) 4 321/999
e) -10 6/9
f) x=2,3(15)
10x=23,(15)
1000x=2315,(15)
1000x-10x=2315,(15)-23,(15)
990x=2292|:990
x=2292/990
x=382/165
x=2 52/165