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zad.5
1. 7/5 x 11/3 x 1/4=77/15 x 1/4=77/60=1 17/60
2. 3/7 x 15/7 x 1/2=45/49=9/7 x 1/2=9/14
zad.6
A 1 1/3 x 2/5= 4/3 x 2/5=8/15
B 2/1/2 x 3/4=5/2 x 3/4=15/8=1 7/8
C 2/7 x 5 3/4=2/7 x 23/4=23/14=1 /9/14
D 2/4/5 x 3 2/3=14/5 x 11/3=154/15=10 4/15
E 1 2/3 xx 2 1/2=5/3 x 5/2=25/6=4 1/6
F 2 1/4 x 3 2/3=9/4 x 11/3=33/4=8 1/4
zad.8
a 3/4 x 5/6=5/8
8/5 x 7/12=48/60=24/30=8/10=4/5
4/9 x 7/10=28/90=14/45
b 5/6 x 9/10=9/12=3/4
4/7 x 21/24=3/6=1/3
3/8 x 14/15=14/40=7/20
c 1 1/3 x 2 1/4=4/3 x 5/4=5/6
2 1/2 x 1 1/5=3/2 x 6/5=9/5=1 4/5
3 1/5 x 1 5/6=11/5=2 1/5
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zad.5
1. 7/5 x 11/3 x 1/4=77/15 x 1/4=77/60=1 17/60
2. 3/7 x 15/7 x 1/2=45/49=9/7 x 1/2=9/14
zad.6
A 1 1/3 x 2/5= 4/3 x 2/5=8/15
B 2/1/2 x 3/4=5/2 x 3/4=15/8=1 7/8
C 2/7 x 5 3/4=2/7 x 23/4=23/14=1 /9/14
D 2/4/5 x 3 2/3=14/5 x 11/3=154/15=10 4/15
E 1 2/3 xx 2 1/2=5/3 x 5/2=25/6=4 1/6
F 2 1/4 x 3 2/3=9/4 x 11/3=33/4=8 1/4
zad.8
a 3/4 x 5/6=5/8
8/5 x 7/12=48/60=24/30=8/10=4/5
4/9 x 7/10=28/90=14/45
b 5/6 x 9/10=9/12=3/4
4/7 x 21/24=3/6=1/3
3/8 x 14/15=14/40=7/20
c 1 1/3 x 2 1/4=4/3 x 5/4=5/6
2 1/2 x 1 1/5=3/2 x 6/5=9/5=1 4/5
3 1/5 x 1 5/6=11/5=2 1/5
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