Odpowiedź:
zad.1
a) 7 i 1/6 -5/6 = 6 i 7/6- 5/6= 6 i 2/6= 6 i 1/3
b)6- ( 1 i 3/11 + 3 i 5/11= 6 - 4 i 8/11= 5 i 11/11 - 4 i 8/11= 1 i 3/11
zad.2
a) 3 i 2/3 + 2 i 3/7= 3 i 14/21 + 2 i 9/21= 5 i 23/21= 6 i 2/21
b) 4 i 2/9- 1 i 1/4= 4 i 8/36- 1 i 9/36= 3 i 44/36- 1 i 9/36= 2 i 35/35
zad.3
a) 1/3 + 1/4 + 1/6= 4/12 + 3/12 + 2/12= 9/12= 3/4
b) 1 i 5/8 + 1 i 3/5 + 3 i 3/10= 1 i 25/40 + 1 i 24/40+ 3 i 12/40= 5 i 61/40=
=6 i 21/40
c) 10 - ( 6 i 1/8 -2 i 5/6)= 10 - ( 6 i 3/24 -2 i 20/24)=
= 10 - ( 5 i 27/24 - 2 i 20/24)= 10- 3 i 7/24=
=9 i 24/24 - 3 i 7/24=6 i 17/24
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Verified answer
Odpowiedź:
zad.1
a) 7 i 1/6 -5/6 = 6 i 7/6- 5/6= 6 i 2/6= 6 i 1/3
b)6- ( 1 i 3/11 + 3 i 5/11= 6 - 4 i 8/11= 5 i 11/11 - 4 i 8/11= 1 i 3/11
zad.2
a) 3 i 2/3 + 2 i 3/7= 3 i 14/21 + 2 i 9/21= 5 i 23/21= 6 i 2/21
b) 4 i 2/9- 1 i 1/4= 4 i 8/36- 1 i 9/36= 3 i 44/36- 1 i 9/36= 2 i 35/35
zad.3
a) 1/3 + 1/4 + 1/6= 4/12 + 3/12 + 2/12= 9/12= 3/4
b) 1 i 5/8 + 1 i 3/5 + 3 i 3/10= 1 i 25/40 + 1 i 24/40+ 3 i 12/40= 5 i 61/40=
=6 i 21/40
c) 10 - ( 6 i 1/8 -2 i 5/6)= 10 - ( 6 i 3/24 -2 i 20/24)=
= 10 - ( 5 i 27/24 - 2 i 20/24)= 10- 3 i 7/24=
=9 i 24/24 - 3 i 7/24=6 i 17/24
Szczegółowe wyjaśnienie: