Muszę napisać po 10 przykładów wymyślonych przez siebie, chodzi o odejmowanie i mnożenie liczb wymiernych plis pomóżcie!!!
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dodawanie
1/2 + 2/1= 5/2 = 2 1/2
3/4+ 2/6= 9/12 +4/12= 13/12= 1 1/12
4/2+ 1/5= 20/10+ 2/10= 22/10= 2 2/10= 2 1/5
3/4+ 2/3= 9/12+ 8/12= 17/12= 1 5/12
8/10+ 4/5= 8/10+ 8/10= 16/10 = 1 6/10= 1 3/5
4/7+ 3/2= 8/14+ 21/14= 29/14 = 2 1/14
5/6+ 1/2= 5/6+ 3/6= 8/6=1 2/6= 1 1/3
1/4+ 5/7= 7/28 + 20/28= 27/28
5/7+ 2/7= 7/7 =1
5/7+ 3/9= 45/63+ 21/63= 66/63 = 1 3/63= 1 1/21
odejmowanie
2/1 - 1/2= 4/2 -1/2 = 3/2 = 1 1/2
4/5- 1/3= 12/15- 5/15= 7/15
7/9- 2/3= 7/9 - 6/9= 1/9
4/5- 1/8= 32/40 - 5/40= 27/40
4/7- 1/3= 12/21 - 7/21= 5/21
6/4 -1/3= 18/12- 4/12= 14/12 = 1 2/12= 1/ 1/6
1/2 - 1/3= 3/6- 2/6= 1/6
3/4 - 1/2= 3/4- 2/4= 1/4
3/5- 1/4= 12/20 - 5/20= 7/20
4/5- 1/3= 12/15- 5/15= 7/15
mnożenie
1/2* 1/4= 1/8
2/3* 1/2= 2/6=1 /3
5/4* 3/2= 15/8
3/7* 1/3= 3/21= 1/7
3/4* 4/5= 12/20= 3/5
3/6*4/7= 12/ 42= 2/7
2/3*5/6= 10/18= 5/9
7/3*5/6= 35/18
2/5*1/9= 2/45
3/4* 3/4= 9/12= 3/4