题目内容
(2012?长寿区)0.625×5.8+
×4.2=0.625×(5.8+4.2)这是应用了乘法的( )
5 |
8 |
分析:根据乘法分配律,(a+b)×c=a×c+b×c,或a×c+b×c=(a+b)×c;由此解决问题.
解答:解:0.625×5.8+
×4.2,
=0.625×(5.8+4.2),
=0.625×10,
=6.25;
故选:C.
5 |
8 |
=0.625×(5.8+4.2),
=0.625×10,
=6.25;
故选:C.
点评:此题主要考查乘法分配律的实际应用.
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