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зөөврийн алх тээрэм okla. алхны тээрэм бутлагч дээр ppt. PowerPoint Presentation. Let's Talk Plastic Free plastic bags are too expensive United States uses 100 billion plastic bags per year: = 12 million barrels of petroleum or 504 million gallons = $4 billion/year cost passed onto consumers 13 bags ...
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гулсмал тээрэм дээр powerpoint танилцуулга. ppt дамжуулагч powerpoint танилцуулга PowerPoint 2013 or PowerPoint 2016 will both open and save files in the former binary format (.ppt) for compatibility with older versions of the program (but not versions older than PowerPoint 97). 251 273 In saving to older formats these versions of PowerPoint ...