Question

[ha quynh nhu]

giá trị của A=0,(1).5+0,(4)

giúp mình nhé ;) 

mình sẽ tick cho ngươi trả lời đầu tiên

làm ơn nha :) :(

Answer 1

[Đặng Tuấn Anh]

A=0,(1).5+0,(4)

  =0,(5)+0,(4)

  =5/9+4/9

  =9/9=1

Answer 2

[Đặng Tuấn Anh]

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