题目内容
25×24=25×
20
20
+25×4．分析：25×24，转化为25×（20+4），再应用乘法分配律进行简算．
解答：解：25×24，
=25×（20+4），
=25×20+25×4，
=500+100，
=600．
故答案为：20．
=25×（20+4），
=25×20+25×4，
=500+100，
=600．
故答案为：20．
点评：此题考查的目的是理解和掌握乘法分配律的意义，并且能够应用乘法分配律进行简便计算．
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