104×25=(100+4)×25=100×25+4×25=2500+100=10100是運用了
- A.
乘法交換律
- B.
乘法結(jié)合律
- C.
乘法分配律
- D.
乘法交換律和乘法結(jié)合律
C
分析:依據(jù)乘法分配律字母表達式:(a+b)×c=a×c+b×c,與題干中的簡便方法比較解答.
解答:在題干中:(100+4)×25=100×25+4×25符合乘法分配律(a+b)×c=a×c+b×c的形式.
故答案為:C.
點評:本題主要考查學(xué)生對于乘法分配律掌握的程度.
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