Question

7/5 + 4/7 - 9/10 = ,.... 

Answer 1

\(\frac{7}{5}+\frac{4}{7}-\frac{9}{10}\)

= \(\frac{69}{35}-\frac{9}{10}\)

= \(\frac{15}{14}\)

Answer 2

\(\frac{7}{5}+\frac{4}{7}-\frac{9}{10}=\frac{69}{35}-\frac{9}{10}=\frac{15}{14}\)

chuc bn hoc gioi!

nhae

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