1.
7/8 = 4/8+3/8 = 1/2+6/16 = 1/2+4/16+2/16 = 1/2+1/4+1/8
ответ: 7/8 = 1/2+1/4+1/8
2. 2/3=4/6=3/6+1/6=1/2+1/6
ответ: 2/3 = 1/2+1/6
3. 5/9=10/18=9/18+1/18=1/2+1/18
ответ: 5/9 = 1/2+1/18
1.
7/8 = 4/8+3/8 = 1/2+6/16 = 1/2+4/16+2/16 = 1/2+1/4+1/8
ответ: 7/8 = 1/2+1/4+1/8
2.
2/3=4/6=3/6+1/6=1/2+1/6
ответ: 2/3 = 1/2+1/6
3.
5/9=10/18=9/18+1/18=1/2+1/18
ответ: 5/9 = 1/2+1/18