1) Przedstaw liczbę w postaci ułamka zwykłego (OBLICZENIA!)
a)41,7(9)
b)0,3(7)
c)2,1(52)
41,7(9)
x=41,79999999999
10x=417,99999999999
100x=4179,999999999999
100x-10x=4179-417
90x=3762
x=3762/90
x=1881/45
x=627/15
x=209/5
x=41⅘
2,1(52)
x=2,152525252
10x=21,525252525
100x=215,252525
1000x=2152,52525252
1000x-10x=2152-21
990x=2131
x=2131/990
x=2 ¹⁵¹/₉₉₀
0,3(7)
x=0,3777777777777
10x=3,7777777777777
100x=37,777777777777
100x-10x=37-3
90x=34
x=34/90
x=17/45
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
41,7(9)
x=41,79999999999
10x=417,99999999999
100x=4179,999999999999
100x-10x=4179-417
90x=3762
x=3762/90
x=1881/45
x=627/15
x=209/5
x=41⅘
2,1(52)
x=2,152525252
10x=21,525252525
100x=215,252525
1000x=2152,52525252
1000x-10x=2152-21
990x=2131
x=2131/990
x=2 ¹⁵¹/₉₉₀
0,3(7)
x=0,3777777777777
10x=3,7777777777777
100x=37,777777777777
100x-10x=37-3
90x=34
x=34/90
x=17/45