Ответы и объяснения

2013-12-23T17:59:27+04:00
1* 8/27+5*17/27- 6* 4/27=10 5/9
1) 1* 8/27= 8/27;
2) 5 * 17/27= 5/1* 17/27= 85/27= 3 4/27;
3) 6* 4/27= 6/1* 4/27= 24/27;
4) 8/27+ 3 4/27= 11 12/27;
5) 11 12/27- 24/27= 10 39/27-24/27= 10 15/27= 10 5/9.