Ответ:
1) 4/7 = 7/7 - 3/7
2) 12/28 < 11/28 + 9/28
3) 5/9 + 2/9 > 1/9 + 4/9
Почему?
1) 7/7 - 3/7 = 7-3/7 = 4/7
2) 11/27 + 9/28 = 11+9/28 = 20
3) 5/9 + 2/9 = 5+2/9 = 7/9
1/9 + 4/9 = 1+4/9 = 5/9
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Answers & Comments
Ответ:
1) 4/7 = 7/7 - 3/7
2) 12/28 < 11/28 + 9/28
3) 5/9 + 2/9 > 1/9 + 4/9
Почему?
1) 7/7 - 3/7 = 7-3/7 = 4/7
2) 11/27 + 9/28 = 11+9/28 = 20
3) 5/9 + 2/9 = 5+2/9 = 7/9
1/9 + 4/9 = 1+4/9 = 5/9