Question

Tính: 2/3 + 1/2 = ….

 

Tính: 1/2 × 2/3 × 3/4 × 4/5 = …

Answer 1

7/6

1/5

Answer 2

Tính: 2/3 + 1/2 = …7/6.

 

Tính: 1/2 × 2/3 × 3/4 × 4/5 = 24/120 = 1/5

 

Answer 3

7/6

1/5

Answer 4

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

\(\dfrac{1.2.3.4}{2.3.4.5}=\dfrac{1}{5}\)

Answer 5

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

\(\dfrac{1}{2}\times\dfrac{2}{3}\times\dfrac{3}{4}\times\dfrac{4}{5}=\dfrac{1\times2\times3\times4}{2\times3\times4\times5}=\dfrac{1}{5}\)

Answer 6

7/6

1/5

Answer 7

7/6

1/5

Answer 8

7/6

1/5

Answer 9

7/6

1/5