On the basis of the teacher's summary, let students use language to express the law of quotient changes, guide students to refer to the blackboard expression, and give examples to illustrate and verify.
On the basis of the teacher's summary, let the students express the law of quotient change in language, guide the students to express with reference to blackboard writing, and give examples to illustrate and verify.
On the basis of the teacher's summary, let students express the law of quotient change in language, guide students to refer to blackboard writing, and illustrate and verify it with examples.