Explicație pas cu pas:
a)27/14+0=
27/14
b)2/3-(5/10-1/2)=
2/3-(1/2-1/2)=
2/3-0=
2/3
c)34/5-(23/2-69/6)=
34/5-(23/2-23/2)=
34/5-0=
34/5
Răspuns:
27/14 2/3 34/5
a) 27/14-0=0
b).2/3-(5/10-1/2)=2/3
5/10(se simplifică cu5)=1/2
c). 34/5-(23/2-69/6)=34/5
23/2-69/6 =0
