Comparing the junior high school mathematics textbooks published by People's Education Publishing House and Shanghai Science Publishing House, we can find that the textbooks published by People's Education Publishing House are richer in content and moderately difficult.
It is conducive to the cultivation of students' various mathematical literacy and the training of practical application ability.
5¡¢? The lower left corner is correct.
6¡¢¢Å42,
¢Æ 18,
¢Ç 1
The sum of 14 and 2 1 is a mul