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Ответ:2
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1) 1 3/4 • 2 4/7 = 7/4 • 18/7 = 9/2
2) 9/2 : 4 1/2 = 9/2 : 9/2 =
= 9/2 • 2/9 = 1
= 4 • 2/9 = 8/9
3) 2 2/5 : 9/10 = 12/5 : 9/10 =
= 12/5 • 10/9 = 8/3
4) 8/3 • 3/8 = 1
5) 1 + 1 = 2
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Answers & Comments
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Ответ:2
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1) 1 3/4 • 2 4/7 = 7/4 • 18/7 = 9/2
2) 9/2 : 4 1/2 = 9/2 : 9/2 =
= 9/2 • 2/9 = 1
= 4 • 2/9 = 8/9
3) 2 2/5 : 9/10 = 12/5 : 9/10 =
= 12/5 • 10/9 = 8/3
4) 8/3 • 3/8 = 1
5) 1 + 1 = 2