Odpowiedź:
3/5+5/3=9/15+25/15=34/15=2 4/15
1/4+2/9=9/36+8/36=17/36
7 3/4+4 4/7=7 21/28+4 8/28=11 29/28=12 1/28
4 2/3+2 5/8=4 16/24+2 15/24=6 31/24=7 7/24
4 1/5-2 5/9=4 9/45-2 25/45=1 34/45
6 1/7- 3 5/9=6 9/63-3 35/63=2 25/63
2 3/4-1 1/7=2 21/28-1 4/28=1 17/28
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Odpowiedź:
3/5+5/3=9/15+25/15=34/15=2 4/15
1/4+2/9=9/36+8/36=17/36
7 3/4+4 4/7=7 21/28+4 8/28=11 29/28=12 1/28
4 2/3+2 5/8=4 16/24+2 15/24=6 31/24=7 7/24
4 1/5-2 5/9=4 9/45-2 25/45=1 34/45
6 1/7- 3 5/9=6 9/63-3 35/63=2 25/63
2 3/4-1 1/7=2 21/28-1 4/28=1 17/28
POZDRO I LICZĘ NA NAJ