Question

scrie fractiile ca diferenta de 2 fractii cu acelasi numitor. Gaseste cat mai multe solutii. A) 5/10 ; 6/8 ; 3/4. B) 5/7 ; 3/4 ; 7/8. C) 2/8 ; 3/6 ; 10/10.

Answer 1

5/10=10/10-5/10
6/8=7/8-1/8
3/4=4/4-1/4
5/7=7/7-2/7
7/8=8/8-1/8
2/8=7/8-5/8
3/6=5/6-2/6
10/10=13/0-3/10

Answer 2

A) 
5/10=10/10-5/10
5/10=9/10-4/10
5/10=8/10-3/10
5/10=7/10-2/10
5/10=6/10-1/10
......................................
6/8=10/8-4/8
6/8=9/8-3/8
6/8=8/8-2/8
6/8=7/8-1/8
......................................
3/4=4/4-1/4
3/4=5/4-2/4
3/4=6/4-3/4
3/4=7/4-4/4
3/4=8/4-5/4
3/4=9/4-6/4
3/4=10/4-7/4
B)
5/7=10/7-5/7
5/7=9/7-4/7
5/7=8/7-3/7
5/7=7/7-2/7
5/7=6/7-1/7
.................................
3/4=10/4-7/4
3/4=9/4-6/4
3/4=8/4-5/4
3/4=7/4-4/4
3/4=6/6-3/4
3/4=5/4-2/4
4/4=4/4-1/4
.................................
7/8=10/8-3/8
7/8=9/8-2/8
7/8=8/8-1/8
C)
2/8=10/8-8/8
2/8=9/8-7/8
2/8=8/8-6/8
2/8=7/8-5/8
2/8=6/8-4/8
2/8=5/8-3/8
2/8=4/8-2/8
2/8=3/8-1/8
.................................
3/6=10/6-7/6
3/6=9/6-6/6
3/6=8/6-5/6
3/6=7/6-4/6
3/6=6/6-3/6
3/6=5/6-2/6
3/6=4/6-1/6
.....................................
10/10=19/10-9/10
10/10=18/10-8/10
10/10=17/10-7/10
10/10=16/10-6/10
10/10=15/10-5/10
10/10=14/10-4/10
10/10=13/10-3/10
10/10=12/10=2/10
10/10=11/10-1/10