Same. According to the official information released by Shandong Education Bureau, the textbooks for primary schools in Shandong Province are published by People's Education Press, which is the same in every city. Mathematics only uses Qingdao edition, and other cities use People's Education Edition, so Weifang and Rizhao are the same textbooks for the third grade. Rizhao is a prefecture-level city under the jurisdiction of Shandong Province, which is located on the coast of the Yellow Sea in the southeast of Shandong Province, facing Japan and South Korea across the Yellow Sea in the east.