Odpowiedź:
1-⁵/7 =²/7
3-1⅖=1⅗
1 ²/9+2 ⁷/9=4
3¹/7-³/7 = 2⁵/7
1 - 5/7 = 2/7
1 - 2/7 = 7/7 - 2/7 = 5/7
spr 1 - 5/7 = 7/7 - 5/7 = 2/7
3 - 1 i 2/5 = 1 i 3/5
3 - 1 i 3/5 = 2 i 5/5 - 1 i 3/5 = 1 i 2/5
spr 3 - 1 i 2/5 = 2 i 5/5 - 1 i 2/5 = 1 i 3/5
1 i 2/9 + 2 i 7/9 = 4
4 - 1 i 2/9 = 3 i 9/9 - 1 i 2/9 = 2 i 7/9
spr 1 i 2/9 + 2 i 7/9 = 3 i 9/9 = 4
3 i 1/7 - 3/7 = 2 i 5/7
3 i 1/7 - 2 i 5/7 = 2 i 8/7 - 2 i 5/7 = 3/7
spr 3 i 1/7 - 3/7 = 2 i 8/7 - 3/7 = 2 i 5/7
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Odpowiedź:
1-⁵/7 =²/7
3-1⅖=1⅗
1 ²/9+2 ⁷/9=4
3¹/7-³/7 = 2⁵/7
Odpowiedź:
1 - 5/7 = 2/7
1 - 2/7 = 7/7 - 2/7 = 5/7
spr 1 - 5/7 = 7/7 - 5/7 = 2/7
3 - 1 i 2/5 = 1 i 3/5
3 - 1 i 3/5 = 2 i 5/5 - 1 i 3/5 = 1 i 2/5
spr 3 - 1 i 2/5 = 2 i 5/5 - 1 i 2/5 = 1 i 3/5
1 i 2/9 + 2 i 7/9 = 4
4 - 1 i 2/9 = 3 i 9/9 - 1 i 2/9 = 2 i 7/9
spr 1 i 2/9 + 2 i 7/9 = 3 i 9/9 = 4
3 i 1/7 - 3/7 = 2 i 5/7
3 i 1/7 - 2 i 5/7 = 2 i 8/7 - 2 i 5/7 = 3/7
spr 3 i 1/7 - 3/7 = 2 i 8/7 - 3/7 = 2 i 5/7