二年級STEM

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DSC_3808	DSC_3809	DSC_3810	DSC_3812	DSC08650
DSC08652	DSC08653	DSC08654	DSC08657	DSC08659
DSC08661	DSC08662	DSC08663	DSC08666	DSC08668
DSC08670	DSC08671	DSC08675	DSC08676	DSC08678

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