Przedstaw liczbę w postaci ułamka zwykłego a) 3, (72) b) -6(24) c) 0,(9) d) 2,1(52) OBLICZENIA
a) 3, (72)
100x = 372,72...
x = 3,7272...
------------------
99x = -369 . /99
x = -369/99
b) -6,(24)
100x = -624,2424...
x = -6,2424...
99x = 618 . /99
x = 618/99
c) 0,(9)
10x = 9,9999...
x = 0,9999...
9x = 9/9
x = 1
d) 2,1(52)
1000x = 2152,525252...
10x = 21,525252...
---------------------------
990x = 2131. /990
x = 2131/990
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) 3, (72)
100x = 372,72...
x = 3,7272...
------------------
99x = -369 . /99
x = -369/99
b) -6,(24)
100x = -624,2424...
x = -6,2424...
------------------
99x = 618 . /99
x = 618/99
c) 0,(9)
10x = 9,9999...
x = 0,9999...
------------------
9x = 9/9
x = 1
d) 2,1(52)
1000x = 2152,525252...
10x = 21,525252...
---------------------------
990x = 2131. /990
x = 2131/990