题目内容
38
38
×54+38
38
×46=38×(54
54
+46
46
).分析:根据乘法分配律:(a+b)×c=a×c+b×c,据此进行解答.
解答:解:38×54+38×46,
=38×(54+46),
=38×100,
=3800.
故答案为:38,38,54,46.
=38×(54+46),
=38×100,
=3800.
故答案为:38,38,54,46.
点评:此题主要根据乘法分配律进行解答.
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