208/384=a-2/24

=>a=208/384+2/24

=>a=208/384+32/384

=>a=208+32/384

=>a=240/384

=>a=5/8

\(\frac{208}{384}=a-\frac{2}{24}\)

\(a-\frac{2}{24}=\frac{208}{384}\)

\(a-\frac{1}{12}=\frac{13}{24}\)

\(a=\frac{13}{24}+\frac{1}{12}\)

\(a=\frac{5}{8}\)

\(\frac{208}{384}=a-\frac{2}{24}\)

\(a-\frac{2}{24}=\frac{208}{384}\)

\(a-\frac{1}{12}=\frac{13}{24}\)

\(a=\frac{13}{24}+\frac{1}{12}\)

\(a=\frac{5}{8}\)

\(\frac{208}{384}=a-\frac{2}{24}\)

\(\Rightarrow a=\frac{208}{384}+\frac{2}{24}\)

\(\Rightarrow a=\frac{5}{8}\)

a=5/8

#HT#

22445

208*24=384*(a-2)

4992=384*(a-2)

a-2=4992/384=13

a=13+2=15

208/384=208/384:13=16/24

a + 2 = 16

a        = 16-2

a         =14

384/208=24/13

hai ps bằng nhau khi a=14

Rút gọn 384/208=24/13

Suy ra a=24

a=24 => 384/208 = 24/13

384:(208:13)=24

tick nha!

24

3. bỏ đi 10