题目内容
25×5×75×5=（25+75）×5
×
×
．分析：把算式25×5×75×5连乘的形式，而（25+75）×5，是运用乘法的分配律写成25×5+75×5，再比较即可．
解答：解：25×5×75×5=25×25×25×3，
（25+75）×5=25×5+75×5，
25×5×75×5≠（25+75）×5；
故答案为：×．
（25+75）×5=25×5+75×5，
25×5×75×5≠（25+75）×5；
故答案为：×．
点评：考查了乘法的运算定律的运用．
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