Question

tìm X

2/5 + x = 4/10

 

Answer 1

x = 4/10 - 2/5

x = 0

Answer 2

=>x+2/5=2/5

hay x=0

Answer 3

0

Answer 4

\(\dfrac{2}{5}+x=\dfrac{4}{10}\)

\(x=\dfrac{4}{10}-\dfrac{2}{5}\)

\(x=0\)

Answer 5

`2/5 + x = 4/10`

`2/5 + x = 2/5`

`x  = 2/5 - 2/5`

`x = 0`

Vậy `x = 0`.

Answer 6

x= 4/10-2/5

x=0

Answer 7

2/5 + x = 4/10

=>x=4/10-2/5=4/10-4/10

=>x=0

Answer 8

x = 4/10 - 2/5

x = 4/5