Question

Trong các biểu thức dưới đây, biểu thức nào có giá trị lớn nhất?

 

3/2 - 4/5 

2/3 + 1/2

1/2 x 3/7

2/3 : 3/2 

Answer 1

\(\dfrac{3}{2}-\dfrac{4}{5}=\dfrac{15}{10}-\dfrac{8}{10}=\dfrac{7}{10}\)

\(\dfrac{2}{3}+\dfrac{1}{2}=\dfrac{4}{6}+\dfrac{3}{6}=\dfrac{7}{6}\)

\(\dfrac{1}{2}\times\dfrac{3}{7}=\dfrac{1\times3}{2\times7}=\dfrac{3}{14}\)

\(\dfrac{2}{3}:\dfrac{3}{2}=\dfrac{2}{3}\times\dfrac{2}{3}=\dfrac{4}{9}\)

Answer 2

2/3+1/2

Answer 3

 

2/3 + 1/2

Answer 4

2/3+1/2

Answer 5

2/3 + 1/2