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1.25×0.25×4×8=1.25×8+0.25×4=11
错误
错误
分析:1.25×0.25×4×8,运用乘法交换律和结合律进行简算.
解答:解:1.25×0.25×4×8,
=(1.25×8)×(0.25×4),
=10×1,
=10.
故答案为:错误.
点评:此题考查的目的是使学生理解掌握乘法交换律、乘法交换律的意义,并且能够灵活运用乘法结交换律和结合律进行简便计算.
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