精英家教网 > 小学数学 > 题目详情
3
8
×
6
5
×24×15=(
3
8
×24)×(
6
5
×15)这是运用了
乘法交换与结合
乘法交换与结合
律.
分析:在算式
3
8
×
6
5
×24×15=(
3
8
×24)×(
6
5
×15)中,先交换了
6
5
和24的位置,再把
3
8
和24结合,
6
5
和15结合.因此,此题运用了乘法交换与结合律.
解答:解:
3
8
×
6
5
×24×15=(
3
8
×24)×(
6
5
×15)这是运用了乘法交换与结合律.
故答案为:乘法交换与结合.
点评:此题考查了学生对乘法交换与结合律的掌握与运用.
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