131+132+133+134+135=________×________=________.

发布时间:2020-08-05 06:07:34

131+132+133+134+135=________×________=________.

网友回答

133    5    665

解析分析:因为133=132+1,而133=134-1;133=131+2,而133=135-2,所以这个算式可以变成5个133相加,再根据乘法的意义写成乘法算式.

解答:131+132+133+134+135,
=(133-2)+(133-1)+133+(133+1)+(133+2),
=(133+133+133+133+133)+(2-2+1-1),
=133+133+133+133+133,
=133×5,
=665;
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