Question

efectuati: a) 242,5:0,5; 15,45:0,6; 2,718:0,3;. 0,1512:0,4; b) 3,45:0,5; 22,4:0,4; 0,049:0,7; 64,08:0,8

Answer 1

242,5:0,5=485
15,45:0,6=25,75
2,718:0,3=9,06
0,1512:0,4=0,378

3,45:0,5=6,9
22,4:0,4=56
0,049:0,7=0,07
64,08:0,8=80,1

Coroana?

Answer 2

242,5:0,5=2425/10:5/10=2425/10x10/5=2425/5=485
15,45:0,6=1545/100;6/10=1545/100x10/6=1545/60=25,75
2,718:0,3=2718/1000:3/10=2718/1000x10/3=2718/300=9,06
0,1512:0,4=1512/10000:4/10=1512/10000x4/10=1512/4000=0,378

3,45:0,5=345/100x10/5=6,9
22,4:0,4=224/10x10/5=56
0,049:0,7=49/1000x10/7=0,07
64,08:0,8=6408/100x10/8=80,1