Toán Lớp 6: Tìm x ∈ N , biết :
1 + 3 + 5 + … + ( 2x -3 ) = 196
Nhanh nhé các bn
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Toán Lớp 6: Tìm x ∈ N , biết :
1 + 3 + 5 + … + ( 2x -3 ) = 196
Nhanh nhé các bn
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