Question

Dau coroana si 31 de puncte dar imi faci exercitiul asta:

Calculeaza:

15/13-1=
30/10-2=
50/5-5=
1-3/12-4/12=
2-5/10-3/10=
3-5/5-5/5=

Answer 1

15\13-1=14\13 30\10-2=28\10 50\5-5=45\5 1-3\12-4\12=0\12 2-5\10-3\10=0\10 3-5\5-\5=-3\5