a)
140/3=140:3=46,(6)
15/2=15:2=7,5
89/7=89:7=12,7142857
105/17=105:17=6,17647059
230/11=230:11=20,(90)
407/101=4,02970297
309/102=309:102=3,02941176
b)
1304/24=1304:24=54,(3)
1024/35=1024:35=29,2571429
2045/103=2045:103=19,8543689
7470/3020=7470:3020=2,47350993
3006/77=3006:77=39,038961
30567/47=650,361702
c)
288/111= 288:111=259459459
15343/24 =15343:24=639,291667
15001/40 =15001:40=375,025
2350/150=2350:150=15,(6)
2424/355=2424:355=6,82816901
17242/121=17242:121=142,495868