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Serjik [45]
3 years ago
7

Please help me 10 points

Mathematics
1 answer:
Oksana_A [137]3 years ago
7 0
7\dfrac{2}{9}-3\dfrac{5}{6}=7\dfrac{2\cdot2}{9\cdot2}-3\dfrac{5\cdot3}{6\cdot3}=7\dfrac{4}{18}-3\dfrac{15}{18}\\\\=6\dfrac{22}{18}-3\dfrac{15}{18}=3\dfrac{7}{18}
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