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0.4×0.3×0.25=0.3×(0.4×0.25)运用了乘法
交换律和结合律
交换律和结合律
定律.
分析:根据乘法交换律,a×b=b×a,乘法结合律(a×b)×c=a×(b×c),由此解答.
解答:解:0.4×0.3×0.25,
=0.3×(0.4×0.25),
=0.3×0.1,
=0.03.
故答案为:交换律和结合律.
点评:此题考查了运用乘法的运算定律对小数四则混合运算进行简便计算.
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