Question

4/5 + 7/10 - 1/2

Answer 1

\(\dfrac{4}{5}+\dfrac{7}{10}-\dfrac{1}{2}\)

\(=\dfrac{8}{10}+\dfrac{7}{10}-\dfrac{5}{10}\)

\(=\dfrac{15}{10}-\dfrac{5}{10}\)

\(=\dfrac{10}{10}\) 

\(=1\)

Answer 2

Answer 3

một

Answer 4

\(\dfrac{4}{5}+\dfrac{7}{10}-\dfrac{1}{2}=\dfrac{8}{10}+\dfrac{7}{10}-\dfrac{1}{2}=\dfrac{15}{10}-\dfrac{1}{2}=\dfrac{15}{10}-\dfrac{5}{10}=\dfrac{10}{10}=1\)

Answer 5

4/5+7/10-1/2=8/10+7/10-1/5=15/10-5/10=1 nha bạn.

Answer 6

4/5 + 7/10 - 1/2 = 8/10 + 7/10 - 5/10 = 15/10 - 5/10 = 1