简算101乘26.9减1.25乘26.9乘0.8_数学解答

简算101乘26.9减1.25乘26.9乘0.8

人气：248 ℃　时间：2020-03-24 16:46:34

解答

101乘26.9减1.25乘26.9乘0.8
=101×26·9－26·9×(1.25×0.8)
=101×26·9－26·9×1
=26·9×(101－1)
=26·9×100
=2690