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c)3 i 1/3+2 i 2/3=10/3++8/3=18/3=6
d)1 i 1/4+2 i 1/4=3 i 2/4=3 i 1/2
e)5 i 6/10+8/10=5 i 14/10=6 i 4/10=6 i 2/5
POZIOM B
c)1/2+3/10=5/10+3/10=8/10=4/5
d)3/8+1/6=9/24+4/24=13/24
e)1/3+1/2=2/6+3/6=5/6
POZIOM C
c)5 i 3/4+2 i 7/10=23/4+27/10=115/20+54/20=169/20=8 i 9/20
d)4 i 2/3+1 i 1/2=14/3+3/2=28/6+9/6=37/6=6 i 1/6
e)1 i 7/8+3 i 1/3=15/8+10/3=45/24+80/24=125/24=5 i 5/24
LICZĘ NA NAJ :)
c- 5 2/3
d- 3 1/2
e- 6 2/5
B)
c- 4/5
d- 13/24
e- 5/6
C)
c- 8 9/20
d- 6 1/6
e- 5 5/24