Question

3/10+x=1/2

Answer 1

\(=>=\dfrac{1}{2}-\dfrac{3}{10}=\dfrac{5}{10}-\dfrac{3}{10}=\dfrac{2}{10}=\dfrac{1}{5}\)

Answer 2

= 1/5 nhé bn

Answer 3

x = 1/5

Answer 4

\(x= \dfrac12 - \dfrac{3}{10}\)
\(\dfrac15\)

Answer 5

1

2

−

3

10

=

5

10

−

3

10

=

2

10

=

1

5