Question

1/2 +1/4 +1/8 +1/10 =

ai làm nhanh ,đúng mình tk cho

Answer 1

1/2+1/4+1/8+1/10

=39/40

Answer 2

1/2+1/4+1/8+1/10

=(1/2+1/4+1/8)+1/10

=(4/8+2/8+1/8)+1/10

=7/8+1/10

=39/40

Answer 3

=39/40 đó

Answer 4

1/2+1/4+1/8+1/10= 39/40

Answer 5

= 39/40 nha

Answer 6

ai nhanh nhất

Answer 7

=39/40 

Answer 8

làm đúng nhưng ko nhanh có tích ko zậy

Answer 9

      \(\frac{1}{2}+\frac{1}{4}+\frac{1}{8}+\frac{1}{10}\)

\(=\frac{20}{40}+\frac{10}{40}+\frac{5}{40}+\frac{4}{30}\)

\(=\frac{39}{40}\)