25×47×4=47×(25×4)是運(yùn)用了


  1. A.
    乘法交換律
  2. B.
    乘法結(jié)合律
  3. C.
    乘法交換律和結(jié)合律
C
分析:25×47×4,先運(yùn)用乘法交換律,再運(yùn)用乘法結(jié)合律進(jìn)行簡算.
解答:25×47×4,
=47×(25×4),
=47×100,
=4700;
故選:C.
點(diǎn)評:此題考查的目的是理解掌握乘法交換律和結(jié)合律的意義,并且能夠靈活運(yùn)用乘法交換律和結(jié)合律進(jìn)行簡便計(jì)算.
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