Today, the evening paper sold 120 copies, and the morning paper sold a quarter less than the evening paper. How many copies did the morning paper sell? Page 23, 8 questions
The incubation period of chickens is 2 1 day, and that of ducks is one third longer than that of chickens. How many days is the incubation period of ducks? 9 questions on page 23
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Work plan for primary schools in 2023 1
I. Guiding ideology
This semester, the logistics work is guided by the main points of the work of