Question

Help mik với

Answer 1

\(a,\dfrac{8\times3\times4}{16\times3}=2\)

\(b,\dfrac{30\times25\times7\times8}{75\times8\times12\times24}=\dfrac{35}{134}\)

Answer 2

a: \(=\dfrac{32}{16}=2\)

b: \(=\dfrac{3\cdot10\cdot25\cdot7\cdot8}{25\cdot3\cdot8\cdot12\cdot14}=\dfrac{10\cdot8}{12\cdot14}=\dfrac{16\cdot5}{8\cdot3\cdot7}=\dfrac{10}{21}\)

Answer 3

câu b ra 5/12 mới đúng đó em