Odpowiedź:
a) 1/6 + 2/5= 5/30 + 12/30= 17/30
b) 8/9-5/6= 16/18- 15/18= 1/18
c) 1 i 1/5 + 8 i 1/7= 1 i 7/35 + 8 i 5/35= 9 i 12/35
d) 4 i 7/10 - 2 i 1/3= 4 i 21/30- 2 i 10/30= 2 i 11/30
e) 4 i 1/5 - 7/10= 4 i 2/10- 7/10= 3 i 12/10- 7/10= 3 i 5/10= 3 i 1/2
f) 6 i 1/8 - 2 i 3/4= 6 i 1/8- 2 i 6/8= 5 i 9/8- 2 i 6/8= 3 i 3/8
g) 10 i 2/3 - 6 i 7/9= 10 i 6/9 - 6 i 7/9= 9 i 15/9- 6 i 7/9= 3 i 8/9
h) 9 i 3/8- 2 i 5/6= 9 i 9/24 - 2 i 20/24= 8 i 33/24 - 2 i 20/24= 6 i 13/24
Szczegółowe wyjaśnienie:
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Verified answer
Odpowiedź:
a) 1/6 + 2/5= 5/30 + 12/30= 17/30
b) 8/9-5/6= 16/18- 15/18= 1/18
c) 1 i 1/5 + 8 i 1/7= 1 i 7/35 + 8 i 5/35= 9 i 12/35
d) 4 i 7/10 - 2 i 1/3= 4 i 21/30- 2 i 10/30= 2 i 11/30
e) 4 i 1/5 - 7/10= 4 i 2/10- 7/10= 3 i 12/10- 7/10= 3 i 5/10= 3 i 1/2
f) 6 i 1/8 - 2 i 3/4= 6 i 1/8- 2 i 6/8= 5 i 9/8- 2 i 6/8= 3 i 3/8
g) 10 i 2/3 - 6 i 7/9= 10 i 6/9 - 6 i 7/9= 9 i 15/9- 6 i 7/9= 3 i 8/9
h) 9 i 3/8- 2 i 5/6= 9 i 9/24 - 2 i 20/24= 8 i 33/24 - 2 i 20/24= 6 i 13/24
Szczegółowe wyjaśnienie: