Toán Cho A = 1/11+1/12+1/13+…+1/19+1/20. Giúp mik với mọi người ơi!. 04/10/2021 By Abigail Cho A = 1/11+1/12+1/13+…+1/19+1/20. Giúp mik với mọi người ơi!.
A = 1/11+1/12+1/13+…+1/19+1/20 A=1/11+1/12+1/13+…+1/19+1/20>1/20+…+1/20(10 phân số 1/20) A = 1/11+1/12+1/13+…+1/19+1/20>1/2 Trả lời
A = 1/11+1/12+1/13+…+1/19+1/20 =>A=1/11+1/12+1/13+…+1/19+1/20>1/20+…+1/20(10 phân số 1/20) =>A = 1/11+1/12+1/13+…+1/19+1/20>1/2 =>A>1/2 Trả lời
A = 1/11+1/12+1/13+…+1/19+1/20
A=1/11+1/12+1/13+…+1/19+1/20>1/20+…+1/20(10 phân số 1/20)
A = 1/11+1/12+1/13+…+1/19+1/20>1/2
A = 1/11+1/12+1/13+…+1/19+1/20
=>A=1/11+1/12+1/13+…+1/19+1/20>1/20+…+1/20(10 phân số 1/20)
=>A = 1/11+1/12+1/13+…+1/19+1/20>1/2
=>A>1/2