- 3/5 - 1/5= - 4/5
- 1/3 - 2/3= - 3/3= -1
- 3/7 - 4/7= - 7/7= - 1
- 1/4 - 5/7= - 7/28 - 20/28= - 27/28
- 5/6 - 1/3= - 5/6 - 2/6= - 7/6= - 1 1/6
- 1/8 - 3/4= - 1/8 - 6/8= - 7/8
-4 3/8 - 2 1/4= -4 3/8 - 2 2/8= - 6 5/8
- 6 1/2 - 3 5/7= - 6 7/14 - 3 10/14= - 9 17/14= - 10 3/14
- 9 - 3 5/9= - 12 5/9
65% - 325;
100% - х;
1%- 325/65=5;
100%- 100×5=500га
-224 [35
210 [6
-----
14(ост)
2,3
390
6,5 ...........................
А) 6 и 3; 9 и 2;
б) 10 и 4; 8 и 5; 20 и 2
в) 13 и 10; 13 и 2 и 5
г) 21 и 10; 3 и 7 и 10;