Ответы и объяснения

2014-04-09T22:14:24+04:00
1)5/12:1,5=5/12*10/15=5/18
2)0,5:1,6=5/10*10/16=5/16
3)5/16*5=25/16=1(целых)9/16
4)5/18-25/16=80/288-450/288=-370/288=185/144
  • maxcm
  • середнячок
2014-04-09T22:20:20+04:00
1)5/12:1,5=5/12*10/15=5/18
2)0,5:1,6=5/10*10/16=5/16
3)5/16*5=25/16=1 9/16
4)5/18-25/16=80/288-450/288=-370/288=185/144