Question

AB *8 + AB = 2AB

tìm AB

Answer 1

=>9ad =2ab

ab chỉ cố thể bằng 00

Answer 2

\(AB\times8+AB=2AB\)

\(\Rightarrow AB\times9=2AB\)

\(\Rightarrow AB=0\)

Answer 3

AB *8 + AB = 2AB

=> AB * 8 = 200 

     AB = 200 : 8

     AB = 25

học tốt nha b

Answer 4

\(\overline{AB}\text{ x }8+\overline{AB}=\overline{2AB}\)

\(\overline{AB}\text{ x }8+\overline{AB}=200+\overline{AB}\)

\(\overline{AB}\text{ x }8=200\)

\(\overline{AB}=200\text{ : }8\)

\(\overline{AB}=25\)