Odpowiedź:
a) 2 i 5/24 - 5/6= 2 i 5/24- 20/24= 1 i 29/24- 20/24= 1 i 9/24
b) 2 i 1/6 - 1 i 2/3= 2 i 1/6- 1 i 4/6= 1 i 7/6- 1 i 4/6= 3/6= 1/2
c) 5 i 1/10 - 2 i 1/2= 5 i 1/10- 2 i 5/10= 4 i 11/10- 2 i 5/10= 2 i 6/10=
= 2 i 3/5
d) 7 i 1/14 - 3 i 5/21= 7 i 3/42 - 3 i 10/42= 6 i 45/42- 3 i 10/42=
= 3 i 35/42 = 3 i 5/6
Szczegółowe wyjaśnienie:
A) 2 5/24- 5/6= 2 5/24 - 20/24= 1 9/24= 1 3/8
B) 2 1/6 - 1 2/3= 2 1/6- 1 4/6= 3/6=1/2
C) 5 1/10 - 2 1/2= 5 1/10- 2 5/10= 2 6/10= 2 3/5
D) 7 1/14 - 3 5/21= 99/14-68/21= 23/6= 3 5/6
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Odpowiedź:
a) 2 i 5/24 - 5/6= 2 i 5/24- 20/24= 1 i 29/24- 20/24= 1 i 9/24
b) 2 i 1/6 - 1 i 2/3= 2 i 1/6- 1 i 4/6= 1 i 7/6- 1 i 4/6= 3/6= 1/2
c) 5 i 1/10 - 2 i 1/2= 5 i 1/10- 2 i 5/10= 4 i 11/10- 2 i 5/10= 2 i 6/10=
= 2 i 3/5
d) 7 i 1/14 - 3 i 5/21= 7 i 3/42 - 3 i 10/42= 6 i 45/42- 3 i 10/42=
= 3 i 35/42 = 3 i 5/6
Szczegółowe wyjaśnienie:
A) 2 5/24- 5/6= 2 5/24 - 20/24= 1 9/24= 1 3/8
B) 2 1/6 - 1 2/3= 2 1/6- 1 4/6= 3/6=1/2
C) 5 1/10 - 2 1/2= 5 1/10- 2 5/10= 2 6/10= 2 3/5
D) 7 1/14 - 3 5/21= 99/14-68/21= 23/6= 3 5/6