1.Rozszerz ułamki 1/2 , 1/3 , 1/4 , 3/4 , 5/6 , 7/6 , 3/8 , 5/8 , 9/8 , 11/12 , 13/12 do ułamków :
A ) o mianowniku 24
B) o mianowniku 48
2. Roszerz ułamki 1/2 , 1/4 , 2/3 , 2/5 , ,3/4 , 3/5 , 3/7 , 6/7, 6/11 , 9/10 , 3/100 do ułamków :
A) o liczniku 18 ,
B) o liczniku 36 ,
3. Rozszerz ułamki 1/2 , 2/5 , 7/10 , 9/10 , 11/20 , 17/20 , 3/25 , 16/25 , 7/50 , 1/4 , 3/4 do ułamków :
A) o mianowniku 100 ,
B) o mianowniku 1000 ,
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1.A
1/2 * 12/12= 12/24
1/3 * 8/8= 8/24
1/4 * 6/6= 6/24
3/4 * 6/6= 18/24
5/6 * 4/4= 20/24
7/6 * 4/4= 28/24
3/8 * 3/3= 9/24
5/8 * 3/3= 15/24
9/8 * 3/3= 27/24
11/12 * 2/2= 22/24
13/12 * 2/2= 26/24
1.B
1/2 * 24/24= 24/48
1/3 * 16/16= 16/48
1/4 * 12/12= 12/48
3/4 * 12/12= 36/48
5/6 * 8/8= 40/ 48
7/6 * 8/8= 56/48
3/8 * 6/6= 18/48
5/8 * 6/6= 30/48
9/8 * 6/6= 54/48
11/12 * 4/4= 44/48
13/12 * 4/4= 52/48
2.A
1/2 * 18/18= 18/36
1/4 * 18/18= 18/72
2/3 * 9/9= 18/ 27
2/5 * 9/9= 18/45
3/4 * 6/6= 18/ 24
3/5 * 6/6= 18/30
3/7 * 6/6= 18/42
6/7 * 3/3= 18/21
6/11* 3/3= 18/33
9/10 * 2/2= 18/20
3/100* 6/6= 18/600
2.B
1/2 * 36/36= 36/72
1/4 * 36/36= 36/144
2/3 * 18/18= 36/54
2/5 * 18/18= 36/90
3/4 * 12/12= 36/48
3/5 * 12/12= 36/60
3/7 * 12/12= 36/84
6/7 * 6/6= 36/42
6/11 * 6/6= 36/66
9/10 * 4/4= 36/40
3/100 * 12/12= 36/1200
3.A
1/2 * 50/50= 50/100
2/5 * 20/20= 40/100
7/10 * 10/10= 70/100
9/10 * 10/10= 90/100
11/20 * 5/5= 55/100
17/20 * 5/5= 85/100
3/25 * 4/4= 12/100
16/25 * 4/4= 64/100
7/50 * 2/2= 14/100
1/4 * 25/25= 25/100
3/4 * 25/25= 75/100
3.B
1/2 * 500/500= 500/1000
2/5 * 200/200= 400/1000
7/10 * 100/100= 700/1000
9/10 * 100/100= 900/1000
11/20 * 50/50= 550/1000
17/20 * 50/50= 850/1000
3/25 * 40/40= 120/1000
16/25 * 40/40= 640/1000
7/50 * 20/20= 140/1000
1/4 * 250/250= 250/1000
3/4 * 250/250= 750/1000
mam nadzieję, że pomogłam i licze na naj :)