如题所述
第1个回答 2020-05-18
简便计算过程方法如下
解:270×59-590×17
=27×590-590×17
=(27-17)×590
=10×590
=5900
解:270×59-590×17
=27×590-590×17
=(27-17)×590
=10×590
=5900
第2个回答 2020-05-18
270×59-590×17
=27×590-590×17
=(27-17)×590
=10×590
=5900
用到乘法结合律
=27×590-590×17
=(27-17)×590
=10×590
=5900
用到乘法结合律
第3个回答 2020-05-18
270x59-590x17
=270x59-59x10x17
=270x59-59x170
=(270-170)x59
=100x59
=5900
望采纳,谢谢
=270x59-59x10x17
=270x59-59x170
=(270-170)x59
=100x59
=5900
望采纳,谢谢
第4个回答 2020-05-18
270*59-590*17
=27*590-590*17
=(27-17)*590
=10*590
=5900
=27*590-590*17
=(27-17)*590
=10*590
=5900
第5个回答 2020-05-18