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2022, Vol. 43(15): 33-38    DOI: 10.13884/j.1003-3807hxjy.2021070109
Promoting Students Deep Learning Based on the Combination of Qualitative and Quantitative Research:Distinguishing Soft and Hard Water with Soapy Water
WEI Ming-Gui1**, MIAO Ying-Ying2, XU Hong3
1. Qingyang Port School, Kunshan Development Zone, Suzhou 215300, China;
2. Xuancheng Fenfei Middle School, Xuancheng 242000, China;
3. Xuancheng Teaching and Research Office, Xuancheng 242000, China
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