In Problem 2, the divisor of the division is unknown. In problem 3, the dividend is unknown.
In Problem 2, the divisor of the division is unknown. In problem 3, the dividend is unknown.
师：请同学们归纳求除数和被除数的关系式.(先让学生小组讨论，自行探究。
In Problem 2, the divisor of the division is unknown. In problem 3, the dividend is unknown.
师：请同学们归纳求除数和被除数的关系式.(先让学生小组讨论，自行探究。