(12.5*2.5*3.2)/(50*1.6*2.5)怎么算_数学解答

(12.5*2.5*3.2)/(50*1.6*2.5)怎么算

人气：433 ℃　时间：2020-06-02 08:41:05

解答

(12.5*2.5*3.2)/(50*1.6*2.5)
={(12.5*0.8)*(2.5*4)}/{(50*0.4)*(4*2.5)}
=10*10/20*10
=1/2