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Mathematics
Mathematics
Problem
From the following numbers, identify separately the set of rational numbers and the set of irrational numbers:
7
9
,
49
,
20
,
0.123
45
‾
,
3.142
\dfrac{7}{9},\; \sqrt{49},\; \sqrt{20},\; 0.123\overline{45},\; 3.142
9
7
,
49
,
20
,
0.123
45
,
3.142
.
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