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Cho x1(n)= r(n). rect4(n-1); x2(n)= 2n[u(n)-u(n-3)]. Tính x(n)= x1(n)*x2(n)
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Cho x1(n)= r(n). rect4(n-1); x2(n)= 2n[u(n)-u(n-3)]. Tính x(n)= x1(n)*x2(n)

User Scott Duncan
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im a math teacher i will answer you in an hour or 2

User Kaalras
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