PRZEDSTAW LICZBY W POSTACI UŁAMKA ZWYKŁEGO: A) 0,(6) B) 0,(12) C) 2,1(3) D) 0,10(14)
a)
b)
c)
d)
A) 0,(6)
0,(6) = 0,66666666.....
odejmujemy stronami:
0,6666666.... = x
6,6666666.... = 10x
-----------------------
6 = 9x
x = 6/9 = 2/3
B) 0,(12)
0,(12) = 0,121212121......
0,121212121.... = x
12,12121212.... = 100x
----------------------------
12 = 99x
x = 12/99 = 4/33
C) 2,1(3)
2,1(3) = 2,1333333.....
2,1333333..... = x
21,333333... = 10x
213,33333... = 100x
192 = 90x
x = 192/90 = 32/15
D) 0,10(14)
0,10(14) = 0,101414141414....
0,101414141414.... = x
10,1414141414.... = 100x
1014,14141414.... = 10000x
-----------------------------------
1004 = 9900x
x = 1004/9900 = 251/ 2475
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a)
b)
c)
d)
A) 0,(6)
0,(6) = 0,66666666.....
odejmujemy stronami:
0,6666666.... = x
6,6666666.... = 10x
-----------------------
6 = 9x
x = 6/9 = 2/3
B) 0,(12)
0,(12) = 0,121212121......
0,121212121.... = x
12,12121212.... = 100x
----------------------------
12 = 99x
x = 12/99 = 4/33
C) 2,1(3)
2,1(3) = 2,1333333.....
2,1333333..... = x
21,333333... = 10x
213,33333... = 100x
-----------------------
192 = 90x
x = 192/90 = 32/15
D) 0,10(14)
0,10(14) = 0,101414141414....
0,101414141414.... = x
10,1414141414.... = 100x
1014,14141414.... = 10000x
-----------------------------------
1004 = 9900x
x = 1004/9900 = 251/ 2475