Question

completeaza:13 supra 20 =... supra100;19 supra 25=...supra 125,8 supra 12=...supra 12;3 supra 13=..supra39;10 supra30=..supra39

Answer 1

1) 13/20 = 65/100
2) 19/25 = 95/125
3) 8/12 = 8/12 sau (2*4)/12
4) 3/13 = 9/39
5) 10/30 = 13/39