Kto mi to obliczy ?
6 3/4+3 5/6=
5 2/9-3 4/5=
7/10*3 1/3=
zamienicie mi to zeby bylo z calosciami 28/3
7/18*16/21*3/4=
14:2 1/3=
6 1/4:2 1/2
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1) 6 3/4+3 5/6= 9(6+3)+3/4+5/6=9+18/24+20/24=9 38/24=10 14/24
2) 5 2/9-3 4/5= 2(5-3)-2/9-4/5= 2-10/45-36/45=44/45
3) 7/10*3 1/3= 7/10*10/3= 70/30= 2 10/30
4) 28/3=9 1/3
5) 7/18*16/21*3/4=112/378*3/4=336/1512
6) 14:2 1/3= 14/1:7/3=14/1*3/7=42/7=6
7) 6 1/4:2 1/2= 25/4:5/2=25/4*2/5=50/20= 2 1/2
Proszę o naj... :D