Question

Kto pomoze jak da sie skrucic to prosze skrócić

Answer 1

Zad 5.1
a).
1/2+1/3=3/6+2/6=5/6
2/3+3/5=10/15+9/15=19/15=1 i 4/15
1/2+3/5=5/10+6/10=11/10=1 i 1/10
4/7+1/2=8/14+7/14=15/14=1 i 1/14
b).
11/12+17/18=33/36+34/36=67/36=1 i 31/36
13/24+37/48=26/48+37/48=63/48=1 i 15/48=1 i 5/16
23/30+7/12=46/60+35/60=81/60=1 i 21/60=1 i 7/20
5/24+35/36=15/72+70/72=85/72=1 i 13/72
c).
3 i 1/3+4/5=3 i 5/15+12/15=3 i 17/15=4 i 2/15
5 i 7/8+2/5=5 i 35/40+16/40=5 i 51/40=6 i 11/40
9/14+7 i 5/6=27/42+7 i 35/42=7 i 62/42=8 i 20/42=8 i 10/21
19/22+6 i 5/11=19/22+6 i 10/22=6 i 29/22=7 i 7/22
d).
4 i 1/4+5 i 2/3=4 i 3/12+5 i 8/12=9 i 11/12
6 i 9/10+3 i 7/15=6 i 27/30+3 i 14/30=9 i 41/30=10 i 11/30
10 i 31/36+2 i 9/24=10 i 62/72+2 i 27/72=12 i 89/72=13 i 17/72
11 i 13/18+1 i 22/27=11 i 39/54+1 i 44/54=12 i 83/54=13 i 29/54

Zad 5.2
a).
4 i 1/4+5 i 2/3+1 i 7/12=4 i 3/12+5 i 8/12+1 i 7/12=10 i 18/12=11 i 6/12=
=11 i 1/2
b).
8 i 4/9+7 i 8/15+2 i 5/6=8 i 40/90+7 i 48/90+2 i 75/90=17 i 163/90=
=18 i 73/90
c).
12 i 7/18+4 i 5/12+6 i 4/6=12 i 14/36+4 i 15/36+6 i 24/36=22 i 53/36=
=23 i 17/36
d).
36 i 13/24+10 i 3/8+9 i 25/36=36 i 39/72+10 i 27/72+9 i 50/72=
=55 i 116/72=56 i 44/72=56 i 11/18

Answer 2

Zad 5.1
a).
1/2+1/3=3/6+2/6=5/6
2/3+3/5=10/15+9/15=19/15=1 i 4/15
1/2+3/5=5/10+6/10=11/10=1 i 1/10
4/7+1/2=8/14+7/14=15/14=1 i 1/14
b).
11/12+17/18=33/36+34/36=67/36=1 i 31/36
13/24+37/48=26/48+37/48=63/48=1 i 15/48=1 i 5/16
23/30+7/12=46/60+35/60=81/60=1 i 21/60=1 i 7/20
5/24+35/36=15/72+70/72=85/72=1 i 13/72
c).
3 i 1/3+4/5=3 i 5/15+12/15=3 i 17/15=4 i 2/15
5 i 7/8+2/5=5 i 35/40+16/40=5 i 51/40=6 i 11/40
9/14+7 i 5/6=27/42+7 i 35/42=7 i 62/42=8 i 20/42=8 i 10/21
19/22+6 i 5/11=19/22+6 i 10/22=6 i 29/22=7 i 7/22
d).
4 i 1/4+5 i 2/3=4 i 3/12+5 i 8/12=9 i 11/12
6 i 9/10+3 i 7/15=6 i 27/30+3 i 14/30=9 i 41/30=10 i 11/30
10 i 31/36+2 i 9/24=10 i 62/72+2 i 27/72=12 i 89/72=13 i 17/72
11 i 13/18+1 i 22/27=11 i 39/54+1 i 44/54=12 i 83/54=13 i 29/54

Zad 5.2
a).
4 i 1/4+5 i 2/3+1 i 7/12=4 i 3/12+5 i 8/12+1 i 7/12=10 i 18/12=11 i 6/12=
=11 i 1/2
b).
8 i 4/9+7 i 8/15+2 i 5/6=8 i 40/90+7 i 48/90+2 i 75/90=17 i 163/90=
=18 i 73/90
c).
12 i 7/18+4 i 5/12+6 i 4/6=12 i 14/36+4 i 15/36+6 i 24/36=22 i 53/36=
=23 i 17/36
d).
36 i 13/24+10 i 3/8+9 i 25/36=36 i 39/72+10 i 27/72+9 i 50/72=
=55 i 116/72=56 i 44/72=56 i 11/18