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Toán Lớp 6: cho A=3+3^2+3^3+3^4+…3^100.biết tổng A chia hết cho a.9 b.10 c.13 d.14

Home/ Toán Lớp 6: cho A=3+3^2+3^3+3^4+…3^100.biết tổng A chia hết cho a.9 b.10 c.13 d.14

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