(-370)*(-1/4)+0.25*24.5-(-5又1/2)*0.25_数学解答

(-370)*(-1/4)+0.25*24.5-(-5又1/2)*0.25

人气：423 ℃　时间：2020-03-18 02:12:43

解答

原式=（-370)*(-1/4)+(1/4)(24.5)+11/2)*(1/4).
=(1/4)(370+24.5+5.5).
=(1/4)(370+30).
=(1/4)*400.
=100.