Zad.
Ułamki o liczniku 1 nazywamy ułamkami prostymi.
Zastąp symbole odpowiednimi ułamkami prostymi.
a) 1= 1/2 + 1/3 + *
b) 1= 1/2 + 1/4 + 1/5 + *
c) 7/8= 1/2 + * +*
d) 7/9= * + * + *
Jak wytłumaczycie c i d do dam naj :]
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a)1 = 1/2 + 1/3 + 1/6
1 – 1/2 – 1/3 = 1 – 3/6 – 2/6 = 1/6
b) 1 = 1/2 + 1/4+ 1/5+ 1/20
1 – 1/2 – 1/4 – 1/5 = 1 – 10/20 – 5/20 – 4/20 = 1/20
c)7/8 = 1/2 + 1/4 + 1/8
7/8 – 1/2 = 3/8
3/8 = 1/8 + 2/8 = 1/8 + 1/4
d) 7/9 = 1/2 + 1/6 + 1/9
7/9 = 1/9 + 6/9
6/9 = 12/18 = 9/18 + 3/18 = 1/2 + 1/6