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Toán Lớp 6: Bài 7 : Cho S = $1$ + $2$ + $2^{2}$ + $2^{3}$ + … + $2^{179}$ . Chứng minh rằng a) S ⋮ 3 b) S ⋮ 5 c) S ⋮ 45

Home/ Toán Lớp 6: Bài 7 : Cho S = $1$ + $2$ + $2^{2}$ + $2^{3}$ + … + $2^{179}$ . Chứng minh rằng a) S ⋮ 3 b) S ⋮ 5 c) S ⋮ 45

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