đề thi lí thuyết tốt nghiệp khóa 3 - nguội sửa chữa máy công cụ - mã đề thi scmcc - lt (37)

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./0123!#4*56
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78: (2 điểm)
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*2:
78!/39:
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E8()8$%:
785!5/39:
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+H.9:
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