Politexnika instituti

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2- mavzu yuzasidan test
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3-mavzu yuzasidan testlar
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4-mavzu yuzasidan test
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5- mavzu yuzasidan test
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6-mavzu yuzasidan test
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7- mavzu yuzasidan test
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10-mavzu yuzasidan test
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11- mavzu yuzasidan test
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12-mavzu yuzasidan test
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13-mavzu yuzasidan test
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