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3.6×32+3.6×69-3.6=3.6×(32+69-1)运用了


  1. A.
    乘法交换律
  2. B.
    乘法结合律
  3. C.
    乘法分配律
C
分析:根据乘法分配律的意义可知,3.6×32+3.6×69-3.6=3.6×(32+69-1)运用了乘法分配律.
解答:3.6×32+3.6×69-3.6=3.6×(32+69-1)运用了乘法分配律.
故选:C.
点评:乘法分配律为:两个数的和与一个数相乘,可先把它们与这个数分别相乘,再相加.
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